90x+10(90)=80x+80(90)

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Solution for 90x+10(90)=80x+80(90) equation: 


Simplifying
90x + 10(90) = 80x + 80(90)

Multiply 10 * 90
90x + 900 = 80x + 80(90)

Reorder the terms:
900 + 90x = 80x + 80(90)

Multiply 80 * 90
900 + 90x = 80x + 7200

Reorder the terms:
900 + 90x = 7200 + 80x

Solving
900 + 90x = 7200 + 80x

Solving for variable 'x'.

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

Add '-80x' to each side of the equation.
900 + 90x + -80x = 7200 + 80x + -80x

Combine like terms: 90x + -80x = 10x
900 + 10x = 7200 + 80x + -80x

Combine like terms: 80x + -80x = 0
900 + 10x = 7200 + 0
900 + 10x = 7200

Add '-900' to each side of the equation.
900 + -900 + 10x = 7200 + -900

Combine like terms: 900 + -900 = 0
0 + 10x = 7200 + -900
10x = 7200 + -900

Combine like terms: 7200 + -900 = 6300
10x = 6300

Divide each side by '10'.
x = 630

Simplifying
x = 630

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