8x-2(x+9)=x+7

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Solution for 8x-2(x+9)=x+7 equation:


Simplifying
8x + -2(x + 9) = x + 7

Reorder the terms:
8x + -2(9 + x) = x + 7
8x + (9 * -2 + x * -2) = x + 7
8x + (-18 + -2x) = x + 7

Reorder the terms:
-18 + 8x + -2x = x + 7

Combine like terms: 8x + -2x = 6x
-18 + 6x = x + 7

Reorder the terms:
-18 + 6x = 7 + x

Solving
-18 + 6x = 7 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-18 + 6x + -1x = 7 + x + -1x

Combine like terms: 6x + -1x = 5x
-18 + 5x = 7 + x + -1x

Combine like terms: x + -1x = 0
-18 + 5x = 7 + 0
-18 + 5x = 7

Add '18' to each side of the equation.
-18 + 18 + 5x = 7 + 18

Combine like terms: -18 + 18 = 0
0 + 5x = 7 + 18
5x = 7 + 18

Combine like terms: 7 + 18 = 25
5x = 25

Divide each side by '5'.
x = 5

Simplifying
x = 5

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