5-8(x+7)=12x-9+x

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Solution for 5-8(x+7)=12x-9+x equation:


Simplifying
5 + -8(x + 7) = 12x + -9 + x

Reorder the terms:
5 + -8(7 + x) = 12x + -9 + x
5 + (7 * -8 + x * -8) = 12x + -9 + x
5 + (-56 + -8x) = 12x + -9 + x

Combine like terms: 5 + -56 = -51
-51 + -8x = 12x + -9 + x

Reorder the terms:
-51 + -8x = -9 + 12x + x

Combine like terms: 12x + x = 13x
-51 + -8x = -9 + 13x

Solving
-51 + -8x = -9 + 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.
-51 + -8x + -13x = -9 + 13x + -13x

Combine like terms: -8x + -13x = -21x
-51 + -21x = -9 + 13x + -13x

Combine like terms: 13x + -13x = 0
-51 + -21x = -9 + 0
-51 + -21x = -9

Add '51' to each side of the equation.
-51 + 51 + -21x = -9 + 51

Combine like terms: -51 + 51 = 0
0 + -21x = -9 + 51
-21x = -9 + 51

Combine like terms: -9 + 51 = 42
-21x = 42

Divide each side by '-21'.
x = -2

Simplifying
x = -2

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