9x-5(x+1)=99

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Solution for 9x-5(x+1)=99 equation:


Simplifying
9x + -5(x + 1) = 99

Reorder the terms:
9x + -5(1 + x) = 99
9x + (1 * -5 + x * -5) = 99
9x + (-5 + -5x) = 99

Reorder the terms:
-5 + 9x + -5x = 99

Combine like terms: 9x + -5x = 4x
-5 + 4x = 99

Solving
-5 + 4x = 99

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 4x = 99 + 5

Combine like terms: -5 + 5 = 0
0 + 4x = 99 + 5
4x = 99 + 5

Combine like terms: 99 + 5 = 104
4x = 104

Divide each side by '4'.
x = 26

Simplifying
x = 26

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