7x+20=-2x-7

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


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

Reorder the terms:
20 + 7x = -2x + -7

Reorder the terms:
20 + 7x = -7 + -2x

Solving
20 + 7x = -7 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
20 + 7x + 2x = -7 + -2x + 2x

Combine like terms: 7x + 2x = 9x
20 + 9x = -7 + -2x + 2x

Combine like terms: -2x + 2x = 0
20 + 9x = -7 + 0
20 + 9x = -7

Add '-20' to each side of the equation.
20 + -20 + 9x = -7 + -20

Combine like terms: 20 + -20 = 0
0 + 9x = -7 + -20
9x = -7 + -20

Combine like terms: -7 + -20 = -27
9x = -27

Divide each side by '9'.
x = -3

Simplifying
x = -3

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