7x+30=-8x

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Solution for 7x+30=-8x equation:


Simplifying
7x + 30 = -8x

Reorder the terms:
30 + 7x = -8x

Solving
30 + 7x = -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
30 + 7x + 8x = -8x + 8x

Combine like terms: 7x + 8x = 15x
30 + 15x = -8x + 8x

Combine like terms: -8x + 8x = 0
30 + 15x = 0

Add '-30' to each side of the equation.
30 + -30 + 15x = 0 + -30

Combine like terms: 30 + -30 = 0
0 + 15x = 0 + -30
15x = 0 + -30

Combine like terms: 0 + -30 = -30
15x = -30

Divide each side by '15'.
x = -2

Simplifying
x = -2

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