3x-12=5x-15(7-2x)-35

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Solution for 3x-12=5x-15(7-2x)-35 equation:


Simplifying
3x + -12 = 5x + -15(7 + -2x) + -35

Reorder the terms:
-12 + 3x = 5x + -15(7 + -2x) + -35
-12 + 3x = 5x + (7 * -15 + -2x * -15) + -35
-12 + 3x = 5x + (-105 + 30x) + -35

Reorder the terms:
-12 + 3x = -105 + -35 + 5x + 30x

Combine like terms: -105 + -35 = -140
-12 + 3x = -140 + 5x + 30x

Combine like terms: 5x + 30x = 35x
-12 + 3x = -140 + 35x

Solving
-12 + 3x = -140 + 35x

Solving for variable 'x'.

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

Add '-35x' to each side of the equation.
-12 + 3x + -35x = -140 + 35x + -35x

Combine like terms: 3x + -35x = -32x
-12 + -32x = -140 + 35x + -35x

Combine like terms: 35x + -35x = 0
-12 + -32x = -140 + 0
-12 + -32x = -140

Add '12' to each side of the equation.
-12 + 12 + -32x = -140 + 12

Combine like terms: -12 + 12 = 0
0 + -32x = -140 + 12
-32x = -140 + 12

Combine like terms: -140 + 12 = -128
-32x = -128

Divide each side by '-32'.
x = 4

Simplifying
x = 4

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