3x+6(x-15)=-18

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Solution for 3x+6(x-15)=-18 equation:


Simplifying
3x + 6(x + -15) = -18

Reorder the terms:
3x + 6(-15 + x) = -18
3x + (-15 * 6 + x * 6) = -18
3x + (-90 + 6x) = -18

Reorder the terms:
-90 + 3x + 6x = -18

Combine like terms: 3x + 6x = 9x
-90 + 9x = -18

Solving
-90 + 9x = -18

Solving for variable 'x'.

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

Add '90' to each side of the equation.
-90 + 90 + 9x = -18 + 90

Combine like terms: -90 + 90 = 0
0 + 9x = -18 + 90
9x = -18 + 90

Combine like terms: -18 + 90 = 72
9x = 72

Divide each side by '9'.
x = 8

Simplifying
x = 8

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