x+15=0.5(9x-42+30)

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Solution for x+15=0.5(9x-42+30) equation:


Simplifying
x + 15 = 0.5(9x + -42 + 30)

Reorder the terms:
15 + x = 0.5(9x + -42 + 30)

Reorder the terms:
15 + x = 0.5(-42 + 30 + 9x)

Combine like terms: -42 + 30 = -12
15 + x = 0.5(-12 + 9x)
15 + x = (-12 * 0.5 + 9x * 0.5)
15 + x = (-6 + 4.5x)

Solving
15 + x = -6 + 4.5x

Solving for variable 'x'.

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

Add '-4.5x' to each side of the equation.
15 + x + -4.5x = -6 + 4.5x + -4.5x

Combine like terms: x + -4.5x = -3.5x
15 + -3.5x = -6 + 4.5x + -4.5x

Combine like terms: 4.5x + -4.5x = 0.0
15 + -3.5x = -6 + 0.0
15 + -3.5x = -6

Add '-15' to each side of the equation.
15 + -15 + -3.5x = -6 + -15

Combine like terms: 15 + -15 = 0
0 + -3.5x = -6 + -15
-3.5x = -6 + -15

Combine like terms: -6 + -15 = -21
-3.5x = -21

Divide each side by '-3.5'.
x = 6

Simplifying
x = 6

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