2(x+6)+(7x+6)=121.5

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Solution for 2(x+6)+(7x+6)=121.5 equation:


Simplifying
2(x + 6) + (7x + 6) = 121.5

Reorder the terms:
2(6 + x) + (7x + 6) = 121.5
(6 * 2 + x * 2) + (7x + 6) = 121.5
(12 + 2x) + (7x + 6) = 121.5

Reorder the terms:
12 + 2x + (6 + 7x) = 121.5

Remove parenthesis around (6 + 7x)
12 + 2x + 6 + 7x = 121.5

Reorder the terms:
12 + 6 + 2x + 7x = 121.5

Combine like terms: 12 + 6 = 18
18 + 2x + 7x = 121.5

Combine like terms: 2x + 7x = 9x
18 + 9x = 121.5

Solving
18 + 9x = 121.5

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 9x = 121.5 + -18

Combine like terms: 18 + -18 = 0
0 + 9x = 121.5 + -18
9x = 121.5 + -18

Combine like terms: 121.5 + -18 = 103.5
9x = 103.5

Divide each side by '9'.
x = 11.5

Simplifying
x = 11.5

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