-2x+7(2x+20)=20

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Solution for -2x+7(2x+20)=20 equation:


Simplifying
-2x + 7(2x + 20) = 20

Reorder the terms:
-2x + 7(20 + 2x) = 20
-2x + (20 * 7 + 2x * 7) = 20
-2x + (140 + 14x) = 20

Reorder the terms:
140 + -2x + 14x = 20

Combine like terms: -2x + 14x = 12x
140 + 12x = 20

Solving
140 + 12x = 20

Solving for variable 'x'.

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

Add '-140' to each side of the equation.
140 + -140 + 12x = 20 + -140

Combine like terms: 140 + -140 = 0
0 + 12x = 20 + -140
12x = 20 + -140

Combine like terms: 20 + -140 = -120
12x = -120

Divide each side by '12'.
x = -10

Simplifying
x = -10

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