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

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


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

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

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

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

Solving
90 + 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.
90 + 90x + -80x = 7200 + 80x + -80x

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

Combine like terms: 80x + -80x = 0
90 + 10x = 7200 + 0
90 + 10x = 7200

Add '-90' to each side of the equation.
90 + -90 + 10x = 7200 + -90

Combine like terms: 90 + -90 = 0
0 + 10x = 7200 + -90
10x = 7200 + -90

Combine like terms: 7200 + -90 = 7110
10x = 7110

Divide each side by '10'.
x = 711

Simplifying
x = 711

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