8x-3(3x+7)=18

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Solution for 8x-3(3x+7)=18 equation:


Simplifying
8x + -3(3x + 7) = 18

Reorder the terms:
8x + -3(7 + 3x) = 18
8x + (7 * -3 + 3x * -3) = 18
8x + (-21 + -9x) = 18

Reorder the terms:
-21 + 8x + -9x = 18

Combine like terms: 8x + -9x = -1x
-21 + -1x = 18

Solving
-21 + -1x = 18

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + -1x = 18 + 21

Combine like terms: -21 + 21 = 0
0 + -1x = 18 + 21
-1x = 18 + 21

Combine like terms: 18 + 21 = 39
-1x = 39

Divide each side by '-1'.
x = -39

Simplifying
x = -39

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