9(3x+5)+7(4x-8)=99

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Solution for 9(3x+5)+7(4x-8)=99 equation:


Simplifying
9(3x + 5) + 7(4x + -8) = 99

Reorder the terms:
9(5 + 3x) + 7(4x + -8) = 99
(5 * 9 + 3x * 9) + 7(4x + -8) = 99
(45 + 27x) + 7(4x + -8) = 99

Reorder the terms:
45 + 27x + 7(-8 + 4x) = 99
45 + 27x + (-8 * 7 + 4x * 7) = 99
45 + 27x + (-56 + 28x) = 99

Reorder the terms:
45 + -56 + 27x + 28x = 99

Combine like terms: 45 + -56 = -11
-11 + 27x + 28x = 99

Combine like terms: 27x + 28x = 55x
-11 + 55x = 99

Solving
-11 + 55x = 99

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 55x = 99 + 11

Combine like terms: -11 + 11 = 0
0 + 55x = 99 + 11
55x = 99 + 11

Combine like terms: 99 + 11 = 110
55x = 110

Divide each side by '55'.
x = 2

Simplifying
x = 2

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