90=10(2x+1)

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Solution for 90=10(2x+1) equation:


Simplifying
90 = 10(2x + 1)

Reorder the terms:
90 = 10(1 + 2x)
90 = (1 * 10 + 2x * 10)
90 = (10 + 20x)

Solving
90 = 10 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
90 + -20x = 10 + 20x + -20x

Combine like terms: 20x + -20x = 0
90 + -20x = 10 + 0
90 + -20x = 10

Add '-90' to each side of the equation.
90 + -90 + -20x = 10 + -90

Combine like terms: 90 + -90 = 0
0 + -20x = 10 + -90
-20x = 10 + -90

Combine like terms: 10 + -90 = -80
-20x = -80

Divide each side by '-20'.
x = 4

Simplifying
x = 4

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