5x - 2(2x - 1) = 2(3x - 4)

X = 2

Step-by-step explanation:

5x-4x+2 = 6x-8

10 = 5x

2 = x

Steps:

1. First multiply the -2 on the left side to open the bracket, then multiply the 2 on the right side to open up the bracket

2. Bring all the x's to the right side(as 6x>5x-4x) and the number to the right side(to convert the -8 to +8 and add it with the +2)

3. then add up the sums on each side.

Left side: [+2 +8 = +10]

Right side: [6x +4x -5x = 5x]

4. then divide the whole equation by 5

Left side: [+10/5 = 2]

Right side: [5x/5 = 1x (or) x]

5. To be left with 2 = x (or) x = 2

3

step-by-step explanation:

in standard form:

a= dictionaries

b= maps

you have to buy 3 dictionaries, so put a 3 next to the a (dictionaries) so that you can multiply them by each other.

a3+b= 60 (the amount of money you have)

we already know the cost of a=15 so replace a with $15

($15 x 3)+b=60

multiply 15 and 3 to get $45 and replace it with $45

45+b=60

and then replace b with 15 to get the total:

45+15=60

that means you have $15 left after buying 3 dictionaries.

15 divided by the cost of a map ($5) equals 3.

so you can buy 3 maps.

sorry if it was confusing!

5+2x=a

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