15=-9x-7.5

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Solution for 15=-9x-7.5 equation:


Simplifying
15 = -9x + -7.5

Reorder the terms:
15 = -7.5 + -9x

Solving
15 = -7.5 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
15 + 9x = -7.5 + -9x + 9x

Combine like terms: -9x + 9x = 0
15 + 9x = -7.5 + 0
15 + 9x = -7.5

Add '-15' to each side of the equation.
15 + -15 + 9x = -7.5 + -15

Combine like terms: 15 + -15 = 0
0 + 9x = -7.5 + -15
9x = -7.5 + -15

Combine like terms: -7.5 + -15 = -22.5
9x = -22.5

Divide each side by '9'.
x = -2.5

Simplifying
x = -2.5

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