15x+40=8x(-9)

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Solution for 15x+40=8x(-9) equation:


Simplifying
15x + 40 = 8x(-9)

Reorder the terms:
40 + 15x = 8x(-9)

Reorder the terms for easier multiplication:
40 + 15x = 8 * -9x

Multiply 8 * -9
40 + 15x = -72x

Solving
40 + 15x = -72x

Solving for variable 'x'.

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

Add '72x' to each side of the equation.
40 + 15x + 72x = -72x + 72x

Combine like terms: 15x + 72x = 87x
40 + 87x = -72x + 72x

Combine like terms: -72x + 72x = 0
40 + 87x = 0

Add '-40' to each side of the equation.
40 + -40 + 87x = 0 + -40

Combine like terms: 40 + -40 = 0
0 + 87x = 0 + -40
87x = 0 + -40

Combine like terms: 0 + -40 = -40
87x = -40

Divide each side by '87'.
x = -0.4597701149

Simplifying
x = -0.4597701149

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