-4(x-4)-(7+8x)=-13x

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Solution for -4(x-4)-(7+8x)=-13x equation:


Simplifying
-4(x + -4) + -1(7 + 8x) = -13x

Reorder the terms:
-4(-4 + x) + -1(7 + 8x) = -13x
(-4 * -4 + x * -4) + -1(7 + 8x) = -13x
(16 + -4x) + -1(7 + 8x) = -13x
16 + -4x + (7 * -1 + 8x * -1) = -13x
16 + -4x + (-7 + -8x) = -13x

Reorder the terms:
16 + -7 + -4x + -8x = -13x

Combine like terms: 16 + -7 = 9
9 + -4x + -8x = -13x

Combine like terms: -4x + -8x = -12x
9 + -12x = -13x

Solving
9 + -12x = -13x

Solving for variable 'x'.

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

Add '13x' to each side of the equation.
9 + -12x + 13x = -13x + 13x

Combine like terms: -12x + 13x = 1x
9 + 1x = -13x + 13x

Combine like terms: -13x + 13x = 0
9 + 1x = 0

Add '-9' to each side of the equation.
9 + -9 + 1x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 1x = 0 + -9
1x = 0 + -9

Combine like terms: 0 + -9 = -9
1x = -9

Divide each side by '1'.
x = -9

Simplifying
x = -9

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