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

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


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

Combine like terms: 12 + 45 = 57
57 + -40x = 15 + -9x

Solving
57 + -40x = 15 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
57 + -40x + 9x = 15 + -9x + 9x

Combine like terms: -40x + 9x = -31x
57 + -31x = 15 + -9x + 9x

Combine like terms: -9x + 9x = 0
57 + -31x = 15 + 0
57 + -31x = 15

Add '-57' to each side of the equation.
57 + -57 + -31x = 15 + -57

Combine like terms: 57 + -57 = 0
0 + -31x = 15 + -57
-31x = 15 + -57

Combine like terms: 15 + -57 = -42
-31x = -42

Divide each side by '-31'.
x = 1.35483871

Simplifying
x = 1.35483871

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