4(x-1)+5x=7x-12

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Solution for 4(x-1)+5x=7x-12 equation:


Simplifying
4(x + -1) + 5x = 7x + -12

Reorder the terms:
4(-1 + x) + 5x = 7x + -12
(-1 * 4 + x * 4) + 5x = 7x + -12
(-4 + 4x) + 5x = 7x + -12

Combine like terms: 4x + 5x = 9x
-4 + 9x = 7x + -12

Reorder the terms:
-4 + 9x = -12 + 7x

Solving
-4 + 9x = -12 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-4 + 9x + -7x = -12 + 7x + -7x

Combine like terms: 9x + -7x = 2x
-4 + 2x = -12 + 7x + -7x

Combine like terms: 7x + -7x = 0
-4 + 2x = -12 + 0
-4 + 2x = -12

Add '4' to each side of the equation.
-4 + 4 + 2x = -12 + 4

Combine like terms: -4 + 4 = 0
0 + 2x = -12 + 4
2x = -12 + 4

Combine like terms: -12 + 4 = -8
2x = -8

Divide each side by '2'.
x = -4

Simplifying
x = -4

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