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

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


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

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

Combine like terms: 7x + 2x = 9x
-21 + 9x = 2(3x + 9)

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

Solving
-21 + 9x = 18 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-21 + 9x + -6x = 18 + 6x + -6x

Combine like terms: 9x + -6x = 3x
-21 + 3x = 18 + 6x + -6x

Combine like terms: 6x + -6x = 0
-21 + 3x = 18 + 0
-21 + 3x = 18

Add '21' to each side of the equation.
-21 + 21 + 3x = 18 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = 18 + 21
3x = 18 + 21

Combine like terms: 18 + 21 = 39
3x = 39

Divide each side by '3'.
x = 13

Simplifying
x = 13

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