20+4x=7+7(5x-7)

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Solution for 20+4x=7+7(5x-7) equation: 


Simplifying
20 + 4x = 7 + 7(5x + -7)

Reorder the terms:
20 + 4x = 7 + 7(-7 + 5x)
20 + 4x = 7 + (-7 * 7 + 5x * 7)
20 + 4x = 7 + (-49 + 35x)

Combine like terms: 7 + -49 = -42
20 + 4x = -42 + 35x

Solving
20 + 4x = -42 + 35x

Solving for variable 'x'.

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

Add '-35x' to each side of the equation.
20 + 4x + -35x = -42 + 35x + -35x

Combine like terms: 4x + -35x = -31x
20 + -31x = -42 + 35x + -35x

Combine like terms: 35x + -35x = 0
20 + -31x = -42 + 0
20 + -31x = -42

Add '-20' to each side of the equation.
20 + -20 + -31x = -42 + -20

Combine like terms: 20 + -20 = 0
0 + -31x = -42 + -20
-31x = -42 + -20

Combine like terms: -42 + -20 = -62
-31x = -62

Divide each side by '-31'.
x = 2

Simplifying
x = 2

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