Mathematics, 12.07.2019 23:00 jessie9772

9x + - 7x - 5 = -20 find the value of x

Answers: 1

Show answers

Answers

9x−7x−5=−20
Step 1: Simplify both sides of the equation.
9x−7x−5=−20
9x+−7x+−5=−20
(9x+−7x)+(−5)=−20(Combine Like Terms)
2x+−5=−20
2x−5=−20
Step 2: Add 5 to both sides.
2x−5+5=−20+5
2x=−15
Step 3: Divide both sides by 2.
2x/2=−15/2
x=−15/2

Answer from: Quest

ratios represent a pattern or relationship that can be scaled.

equivalent ratios are pairs of ratios that represent the same relationship between quantities, and can be generated by multiplying or dividing both quantities in the ratio by the same factor.

in this lesson, students will use double number lines and ratio reasoning to solve ratio problems. by partitioning double number lines into proportionate intervals, students will build an understanding of equivalent ratio relationships as those that are generated by multiplying or dividing two related quantities by the same number. this lesson will build upon students' prior understanding of multiplicative comparisons, number line reasoning and equivalent fractions (while highlighting the difference between equivalent fractions and equivalent ratios); and will build toward future work in this unit on building ratio tables, and work in future grades in proportionality, scaling, and expressing and graphing linear functions.

step-by-step explanation:

ratios represent a pattern or relationship that can be scaled.

equivalent ratios are pairs of ratios that represent the same relationship between quantities, and can be generated by multiplying or dividing both quantities in the ratio by the same factor.

Answer from: Quest

elli's hot cocao is more chocolaty

Another question on Mathematics

Mathematics, 21.06.2019 12:30

Awrestling tournament begins with 128 competitors. in the first round, each competitor has 1 match against another wrestler. the winner of each match moves on to the next round until there is a winner. write a sequence in which the terms represent the number of players still in the tournament at the end of each round. describe the sequence? how many rounds are in the tournament?

Answers: 1

Answer

Mathematics, 21.06.2019 16:20

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

Answers: 2

Answer

Mathematics, 21.06.2019 17:40

Polynomial that can be factored as (3x-4)(3x+4)

Answers: 1

Answer

Mathematics, 21.06.2019 20:30

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.

Answers: 1

Answer

You know the right answer?

9x + - 7x - 5 = -20 find the value of x...

Questions