Mathematics, 27.05.2021 01:50 LuisBanuelos000

Y=-4x +11
y=-2x+7
by subsitution

Answers: 3

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Answers

Answer from: joshuasanders8862

(2, 3)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of Equality

Algebra I

Coordinates (x, y)Terms/CoefficientsSolving systems of equations using substitution/elimination

Step-by-step explanation:

Step 1: Define Systems

y = -4x + 11

y = -2x + 7

Step 2: Solve for x

Substitution

Substitute in y [1st Equation]: -2x + 7 = -4x + 11[Addition Property of Equality] Add 4x on both sides: 2x + 7 = 11[Subtraction Property of Equality] Subtract 7 on both sides: 2x = 4[Division Property of Equality] Divide 2 on both sides: x = 2

Step 3: Solve for y

Substitute in x [2nd Equation]: y = -2(2) + 7Multiply: y = -4 + 7Add: y = 3

Answer from: Quest

step-by-step explanation:

i believe its "c" because all of the other options include a but it could be d because there is a way of financing with cash at certain places but its uncommon.

Answer from: Quest

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

pls mark as brainliest.

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Y=-4x +11
y=-2x+7
by subsitution...

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