-5(3x-21)=2(x-4)-57

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Solution for -5(3x-21)=2(x-4)-57 equation:


Simplifying
-5(3x + -21) = 2(x + -4) + -57

Reorder the terms:
-5(-21 + 3x) = 2(x + -4) + -57
(-21 * -5 + 3x * -5) = 2(x + -4) + -57
(105 + -15x) = 2(x + -4) + -57

Reorder the terms:
105 + -15x = 2(-4 + x) + -57
105 + -15x = (-4 * 2 + x * 2) + -57
105 + -15x = (-8 + 2x) + -57

Reorder the terms:
105 + -15x = -8 + -57 + 2x

Combine like terms: -8 + -57 = -65
105 + -15x = -65 + 2x

Solving
105 + -15x = -65 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
105 + -15x + -2x = -65 + 2x + -2x

Combine like terms: -15x + -2x = -17x
105 + -17x = -65 + 2x + -2x

Combine like terms: 2x + -2x = 0
105 + -17x = -65 + 0
105 + -17x = -65

Add '-105' to each side of the equation.
105 + -105 + -17x = -65 + -105

Combine like terms: 105 + -105 = 0
0 + -17x = -65 + -105
-17x = -65 + -105

Combine like terms: -65 + -105 = -170
-17x = -170

Divide each side by '-17'.
x = 10

Simplifying
x = 10

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