4x+15=-7x-20

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Solution for 4x+15=-7x-20 equation:


Simplifying
4x + 15 = -7x + -20

Reorder the terms:
15 + 4x = -7x + -20

Reorder the terms:
15 + 4x = -20 + -7x

Solving
15 + 4x = -20 + -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.
15 + 4x + 7x = -20 + -7x + 7x

Combine like terms: 4x + 7x = 11x
15 + 11x = -20 + -7x + 7x

Combine like terms: -7x + 7x = 0
15 + 11x = -20 + 0
15 + 11x = -20

Add '-15' to each side of the equation.
15 + -15 + 11x = -20 + -15

Combine like terms: 15 + -15 = 0
0 + 11x = -20 + -15
11x = -20 + -15

Combine like terms: -20 + -15 = -35
11x = -35

Divide each side by '11'.
x = -3.181818182

Simplifying
x = -3.181818182

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