-25+6x-12x+5(3x+8)-7=71

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Solution for -25+6x-12x+5(3x+8)-7=71 equation:


Simplifying
-25 + 6x + -12x + 5(3x + 8) + -7 = 71

Reorder the terms:
-25 + 6x + -12x + 5(8 + 3x) + -7 = 71
-25 + 6x + -12x + (8 * 5 + 3x * 5) + -7 = 71
-25 + 6x + -12x + (40 + 15x) + -7 = 71

Reorder the terms:
-25 + 40 + -7 + 6x + -12x + 15x = 71

Combine like terms: -25 + 40 = 15
15 + -7 + 6x + -12x + 15x = 71

Combine like terms: 15 + -7 = 8
8 + 6x + -12x + 15x = 71

Combine like terms: 6x + -12x = -6x
8 + -6x + 15x = 71

Combine like terms: -6x + 15x = 9x
8 + 9x = 71

Solving
8 + 9x = 71

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 9x = 71 + -8

Combine like terms: 8 + -8 = 0
0 + 9x = 71 + -8
9x = 71 + -8

Combine like terms: 71 + -8 = 63
9x = 63

Divide each side by '9'.
x = 7

Simplifying
x = 7

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