3x+20=-3x-25

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Solution for 3x+20=-3x-25 equation:


Simplifying
3x + 20 = -3x + -25

Reorder the terms:
20 + 3x = -3x + -25

Reorder the terms:
20 + 3x = -25 + -3x

Solving
20 + 3x = -25 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
20 + 3x + 3x = -25 + -3x + 3x

Combine like terms: 3x + 3x = 6x
20 + 6x = -25 + -3x + 3x

Combine like terms: -3x + 3x = 0
20 + 6x = -25 + 0
20 + 6x = -25

Add '-20' to each side of the equation.
20 + -20 + 6x = -25 + -20

Combine like terms: 20 + -20 = 0
0 + 6x = -25 + -20
6x = -25 + -20

Combine like terms: -25 + -20 = -45
6x = -45

Divide each side by '6'.
x = -7.5

Simplifying
x = -7.5

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