12+5(9-8x)=7-15x

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Solution for 12+5(9-8x)=7-15x equation:


Simplifying
12 + 5(9 + -8x) = 7 + -15x
12 + (9 * 5 + -8x * 5) = 7 + -15x
12 + (45 + -40x) = 7 + -15x

Combine like terms: 12 + 45 = 57
57 + -40x = 7 + -15x

Solving
57 + -40x = 7 + -15x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '15x' to each side of the equation.
57 + -40x + 15x = 7 + -15x + 15x

Combine like terms: -40x + 15x = -25x
57 + -25x = 7 + -15x + 15x

Combine like terms: -15x + 15x = 0
57 + -25x = 7 + 0
57 + -25x = 7

Add '-57' to each side of the equation.
57 + -57 + -25x = 7 + -57

Combine like terms: 57 + -57 = 0
0 + -25x = 7 + -57
-25x = 7 + -57

Combine like terms: 7 + -57 = -50
-25x = -50

Divide each side by '-25'.
x = 2

Simplifying
x = 2

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