3x-(4x+4)=x-7

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Solution for 3x-(4x+4)=x-7 equation:


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

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

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

Combine like terms: 3x + -4x = -1x
-4 + -1x = x + -7

Reorder the terms:
-4 + -1x = -7 + x

Solving
-4 + -1x = -7 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-4 + -1x + -1x = -7 + x + -1x

Combine like terms: -1x + -1x = -2x
-4 + -2x = -7 + x + -1x

Combine like terms: x + -1x = 0
-4 + -2x = -7 + 0
-4 + -2x = -7

Add '4' to each side of the equation.
-4 + 4 + -2x = -7 + 4

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

Combine like terms: -7 + 4 = -3
-2x = -3

Divide each side by '-2'.
x = 1.5

Simplifying
x = 1.5

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