90+7x=5(x+30)

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Solution for 90+7x=5(x+30) equation:


Simplifying
90 + 7x = 5(x + 30)

Reorder the terms:
90 + 7x = 5(30 + x)
90 + 7x = (30 * 5 + x * 5)
90 + 7x = (150 + 5x)

Solving
90 + 7x = 150 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
90 + 7x + -5x = 150 + 5x + -5x

Combine like terms: 7x + -5x = 2x
90 + 2x = 150 + 5x + -5x

Combine like terms: 5x + -5x = 0
90 + 2x = 150 + 0
90 + 2x = 150

Add '-90' to each side of the equation.
90 + -90 + 2x = 150 + -90

Combine like terms: 90 + -90 = 0
0 + 2x = 150 + -90
2x = 150 + -90

Combine like terms: 150 + -90 = 60
2x = 60

Divide each side by '2'.
x = 30

Simplifying
x = 30

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