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

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


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

Reorder the terms:
7(6 + x) + -9(9x + -5) = 15
(6 * 7 + x * 7) + -9(9x + -5) = 15
(42 + 7x) + -9(9x + -5) = 15

Reorder the terms:
42 + 7x + -9(-5 + 9x) = 15
42 + 7x + (-5 * -9 + 9x * -9) = 15
42 + 7x + (45 + -81x) = 15

Reorder the terms:
42 + 45 + 7x + -81x = 15

Combine like terms: 42 + 45 = 87
87 + 7x + -81x = 15

Combine like terms: 7x + -81x = -74x
87 + -74x = 15

Solving
87 + -74x = 15

Solving for variable 'x'.

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

Add '-87' to each side of the equation.
87 + -87 + -74x = 15 + -87

Combine like terms: 87 + -87 = 0
0 + -74x = 15 + -87
-74x = 15 + -87

Combine like terms: 15 + -87 = -72
-74x = -72

Divide each side by '-74'.
x = 0.972972973

Simplifying
x = 0.972972973

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