-7x+15=3(3x+9)

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Solution for -7x+15=3(3x+9) equation:


Simplifying
-7x + 15 = 3(3x + 9)

Reorder the terms:
15 + -7x = 3(3x + 9)

Reorder the terms:
15 + -7x = 3(9 + 3x)
15 + -7x = (9 * 3 + 3x * 3)
15 + -7x = (27 + 9x)

Solving
15 + -7x = 27 + 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 + -7x + -9x = 27 + 9x + -9x

Combine like terms: -7x + -9x = -16x
15 + -16x = 27 + 9x + -9x

Combine like terms: 9x + -9x = 0
15 + -16x = 27 + 0
15 + -16x = 27

Add '-15' to each side of the equation.
15 + -15 + -16x = 27 + -15

Combine like terms: 15 + -15 = 0
0 + -16x = 27 + -15
-16x = 27 + -15

Combine like terms: 27 + -15 = 12
-16x = 12

Divide each side by '-16'.
x = -0.75

Simplifying
x = -0.75

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