3x+20=-7x

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Solution for 3x+20=-7x equation:


Simplifying
3x + 20 = -7x

Reorder the terms:
20 + 3x = -7x

Solving
20 + 3x = -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
20 + 3x + 7x = -7x + 7x

Combine like terms: 3x + 7x = 10x
20 + 10x = -7x + 7x

Combine like terms: -7x + 7x = 0
20 + 10x = 0

Add '-20' to each side of the equation.
20 + -20 + 10x = 0 + -20

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

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

Divide each side by '10'.
x = -2

Simplifying
x = -2

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