9(x+5)-80=100

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Solution for 9(x+5)-80=100 equation:


Simplifying
9(x + 5) + -80 = 100

Reorder the terms:
9(5 + x) + -80 = 100
(5 * 9 + x * 9) + -80 = 100
(45 + 9x) + -80 = 100

Reorder the terms:
45 + -80 + 9x = 100

Combine like terms: 45 + -80 = -35
-35 + 9x = 100

Solving
-35 + 9x = 100

Solving for variable 'x'.

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

Add '35' to each side of the equation.
-35 + 35 + 9x = 100 + 35

Combine like terms: -35 + 35 = 0
0 + 9x = 100 + 35
9x = 100 + 35

Combine like terms: 100 + 35 = 135
9x = 135

Divide each side by '9'.
x = 15

Simplifying
x = 15

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