2(x+6)+5(x-3)=18

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Solution for 2(x+6)+5(x-3)=18 equation:


Simplifying
2(x + 6) + 5(x + -3) = 18

Reorder the terms:
2(6 + x) + 5(x + -3) = 18
(6 * 2 + x * 2) + 5(x + -3) = 18
(12 + 2x) + 5(x + -3) = 18

Reorder the terms:
12 + 2x + 5(-3 + x) = 18
12 + 2x + (-3 * 5 + x * 5) = 18
12 + 2x + (-15 + 5x) = 18

Reorder the terms:
12 + -15 + 2x + 5x = 18

Combine like terms: 12 + -15 = -3
-3 + 2x + 5x = 18

Combine like terms: 2x + 5x = 7x
-3 + 7x = 18

Solving
-3 + 7x = 18

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 7x = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 7x = 18 + 3
7x = 18 + 3

Combine like terms: 18 + 3 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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