3(2x-7)+x=2(x-9)-18

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Solution for 3(2x-7)+x=2(x-9)-18 equation:


Simplifying
3(2x + -7) + x = 2(x + -9) + -18

Reorder the terms:
3(-7 + 2x) + x = 2(x + -9) + -18
(-7 * 3 + 2x * 3) + x = 2(x + -9) + -18
(-21 + 6x) + x = 2(x + -9) + -18

Combine like terms: 6x + x = 7x
-21 + 7x = 2(x + -9) + -18

Reorder the terms:
-21 + 7x = 2(-9 + x) + -18
-21 + 7x = (-9 * 2 + x * 2) + -18
-21 + 7x = (-18 + 2x) + -18

Reorder the terms:
-21 + 7x = -18 + -18 + 2x

Combine like terms: -18 + -18 = -36
-21 + 7x = -36 + 2x

Solving
-21 + 7x = -36 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-21 + 7x + -2x = -36 + 2x + -2x

Combine like terms: 7x + -2x = 5x
-21 + 5x = -36 + 2x + -2x

Combine like terms: 2x + -2x = 0
-21 + 5x = -36 + 0
-21 + 5x = -36

Add '21' to each side of the equation.
-21 + 21 + 5x = -36 + 21

Combine like terms: -21 + 21 = 0
0 + 5x = -36 + 21
5x = -36 + 21

Combine like terms: -36 + 21 = -15
5x = -15

Divide each side by '5'.
x = -3

Simplifying
x = -3

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