3x+45=-2x-30

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Solution for 3x+45=-2x-30 equation: 


Simplifying
3x + 45 = -2x + -30

Reorder the terms:
45 + 3x = -2x + -30

Reorder the terms:
45 + 3x = -30 + -2x

Solving
45 + 3x = -30 + -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.
45 + 3x + 2x = -30 + -2x + 2x

Combine like terms: 3x + 2x = 5x
45 + 5x = -30 + -2x + 2x

Combine like terms: -2x + 2x = 0
45 + 5x = -30 + 0
45 + 5x = -30

Add '-45' to each side of the equation.
45 + -45 + 5x = -30 + -45

Combine like terms: 45 + -45 = 0
0 + 5x = -30 + -45
5x = -30 + -45

Combine like terms: -30 + -45 = -75
5x = -75

Divide each side by '5'.
x = -15

Simplifying
x = -15

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