6(8-2x-7x)+9(5x+7)=12

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Solution for 6(8-2x-7x)+9(5x+7)=12 equation:


Simplifying
6(8 + -2x + -7x) + 9(5x + 7) = 12

Combine like terms: -2x + -7x = -9x
6(8 + -9x) + 9(5x + 7) = 12
(8 * 6 + -9x * 6) + 9(5x + 7) = 12
(48 + -54x) + 9(5x + 7) = 12

Reorder the terms:
48 + -54x + 9(7 + 5x) = 12
48 + -54x + (7 * 9 + 5x * 9) = 12
48 + -54x + (63 + 45x) = 12

Reorder the terms:
48 + 63 + -54x + 45x = 12

Combine like terms: 48 + 63 = 111
111 + -54x + 45x = 12

Combine like terms: -54x + 45x = -9x
111 + -9x = 12

Solving
111 + -9x = 12

Solving for variable 'x'.

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

Add '-111' to each side of the equation.
111 + -111 + -9x = 12 + -111

Combine like terms: 111 + -111 = 0
0 + -9x = 12 + -111
-9x = 12 + -111

Combine like terms: 12 + -111 = -99
-9x = -99

Divide each side by '-9'.
x = 11

Simplifying
x = 11

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