3(7x-1)-2=-31+8x

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Solution for 3(7x-1)-2=-31+8x equation:


Simplifying
3(7x + -1) + -2 = -31 + 8x

Reorder the terms:
3(-1 + 7x) + -2 = -31 + 8x
(-1 * 3 + 7x * 3) + -2 = -31 + 8x
(-3 + 21x) + -2 = -31 + 8x

Reorder the terms:
-3 + -2 + 21x = -31 + 8x

Combine like terms: -3 + -2 = -5
-5 + 21x = -31 + 8x

Solving
-5 + 21x = -31 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-5 + 21x + -8x = -31 + 8x + -8x

Combine like terms: 21x + -8x = 13x
-5 + 13x = -31 + 8x + -8x

Combine like terms: 8x + -8x = 0
-5 + 13x = -31 + 0
-5 + 13x = -31

Add '5' to each side of the equation.
-5 + 5 + 13x = -31 + 5

Combine like terms: -5 + 5 = 0
0 + 13x = -31 + 5
13x = -31 + 5

Combine like terms: -31 + 5 = -26
13x = -26

Divide each side by '13'.
x = -2

Simplifying
x = -2

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