5(9+x)=85

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Solution for 5(9+x)=85 equation: 


Simplifying
5(9 + x) = 85
(9 * 5 + x * 5) = 85
(45 + 5x) = 85

Solving
45 + 5x = 85

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + 5x = 85 + -45

Combine like terms: 45 + -45 = 0
0 + 5x = 85 + -45
5x = 85 + -45

Combine like terms: 85 + -45 = 40
5x = 40

Divide each side by '5'.
x = 8

Simplifying
x = 8

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