5(9-9x-5x)+9(7x+6)=15

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Solution for 5(9-9x-5x)+9(7x+6)=15 equation:


Simplifying
5(9 + -9x + -5x) + 9(7x + 6) = 15

Combine like terms: -9x + -5x = -14x
5(9 + -14x) + 9(7x + 6) = 15
(9 * 5 + -14x * 5) + 9(7x + 6) = 15
(45 + -70x) + 9(7x + 6) = 15

Reorder the terms:
45 + -70x + 9(6 + 7x) = 15
45 + -70x + (6 * 9 + 7x * 9) = 15
45 + -70x + (54 + 63x) = 15

Reorder the terms:
45 + 54 + -70x + 63x = 15

Combine like terms: 45 + 54 = 99
99 + -70x + 63x = 15

Combine like terms: -70x + 63x = -7x
99 + -7x = 15

Solving
99 + -7x = 15

Solving for variable 'x'.

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

Add '-99' to each side of the equation.
99 + -99 + -7x = 15 + -99

Combine like terms: 99 + -99 = 0
0 + -7x = 15 + -99
-7x = 15 + -99

Combine like terms: 15 + -99 = -84
-7x = -84

Divide each side by '-7'.
x = 12

Simplifying
x = 12

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