90(4+x)=630

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Solution for 90(4+x)=630 equation: 


Simplifying
90(4 + x) = 630
(4 * 90 + x * 90) = 630
(360 + 90x) = 630

Solving
360 + 90x = 630

Solving for variable 'x'.

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

Add '-360' to each side of the equation.
360 + -360 + 90x = 630 + -360

Combine like terms: 360 + -360 = 0
0 + 90x = 630 + -360
90x = 630 + -360

Combine like terms: 630 + -360 = 270
90x = 270

Divide each side by '90'.
x = 3

Simplifying
x = 3

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