8x-7=2(2x+7)-20

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Solution for 8x-7=2(2x+7)-20 equation:


Simplifying
8x + -7 = 2(2x + 7) + -20

Reorder the terms:
-7 + 8x = 2(2x + 7) + -20

Reorder the terms:
-7 + 8x = 2(7 + 2x) + -20
-7 + 8x = (7 * 2 + 2x * 2) + -20
-7 + 8x = (14 + 4x) + -20

Reorder the terms:
-7 + 8x = 14 + -20 + 4x

Combine like terms: 14 + -20 = -6
-7 + 8x = -6 + 4x

Solving
-7 + 8x = -6 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-7 + 8x + -4x = -6 + 4x + -4x

Combine like terms: 8x + -4x = 4x
-7 + 4x = -6 + 4x + -4x

Combine like terms: 4x + -4x = 0
-7 + 4x = -6 + 0
-7 + 4x = -6

Add '7' to each side of the equation.
-7 + 7 + 4x = -6 + 7

Combine like terms: -7 + 7 = 0
0 + 4x = -6 + 7
4x = -6 + 7

Combine like terms: -6 + 7 = 1
4x = 1

Divide each side by '4'.
x = 0.25

Simplifying
x = 0.25

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