7x-4(x-1)=11-3-12

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Solution for 7x-4(x-1)=11-3-12 equation: 


Simplifying
7x + -4(x + -1) = 11 + -3 + -12

Reorder the terms:
7x + -4(-1 + x) = 11 + -3 + -12
7x + (-1 * -4 + x * -4) = 11 + -3 + -12
7x + (4 + -4x) = 11 + -3 + -12

Reorder the terms:
4 + 7x + -4x = 11 + -3 + -12

Combine like terms: 7x + -4x = 3x
4 + 3x = 11 + -3 + -12

Combine like terms: 11 + -3 = 8
4 + 3x = 8 + -12

Combine like terms: 8 + -12 = -4
4 + 3x = -4

Solving
4 + 3x = -4

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 3x = -4 + -4

Combine like terms: 4 + -4 = 0
0 + 3x = -4 + -4
3x = -4 + -4

Combine like terms: -4 + -4 = -8
3x = -8

Divide each side by '3'.
x = -2.666666667

Simplifying
x = -2.666666667

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