12+7(10-8x)=10-20x

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Solution for 12+7(10-8x)=10-20x equation:


Simplifying
12 + 7(10 + -8x) = 10 + -20x
12 + (10 * 7 + -8x * 7) = 10 + -20x
12 + (70 + -56x) = 10 + -20x

Combine like terms: 12 + 70 = 82
82 + -56x = 10 + -20x

Solving
82 + -56x = 10 + -20x

Solving for variable 'x'.

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

Add '20x' to each side of the equation.
82 + -56x + 20x = 10 + -20x + 20x

Combine like terms: -56x + 20x = -36x
82 + -36x = 10 + -20x + 20x

Combine like terms: -20x + 20x = 0
82 + -36x = 10 + 0
82 + -36x = 10

Add '-82' to each side of the equation.
82 + -82 + -36x = 10 + -82

Combine like terms: 82 + -82 = 0
0 + -36x = 10 + -82
-36x = 10 + -82

Combine like terms: 10 + -82 = -72
-36x = -72

Divide each side by '-36'.
x = 2

Simplifying
x = 2

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