-81-4(7-3x)=13(x-8)

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Solution for -81-4(7-3x)=13(x-8) equation:


Simplifying
-81 + -4(7 + -3x) = 13(x + -8)
-81 + (7 * -4 + -3x * -4) = 13(x + -8)
-81 + (-28 + 12x) = 13(x + -8)

Combine like terms: -81 + -28 = -109
-109 + 12x = 13(x + -8)

Reorder the terms:
-109 + 12x = 13(-8 + x)
-109 + 12x = (-8 * 13 + x * 13)
-109 + 12x = (-104 + 13x)

Solving
-109 + 12x = -104 + 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.
-109 + 12x + -13x = -104 + 13x + -13x

Combine like terms: 12x + -13x = -1x
-109 + -1x = -104 + 13x + -13x

Combine like terms: 13x + -13x = 0
-109 + -1x = -104 + 0
-109 + -1x = -104

Add '109' to each side of the equation.
-109 + 109 + -1x = -104 + 109

Combine like terms: -109 + 109 = 0
0 + -1x = -104 + 109
-1x = -104 + 109

Combine like terms: -104 + 109 = 5
-1x = 5

Divide each side by '-1'.
x = -5

Simplifying
x = -5

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