90=2(7x+3)

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Solution for 90=2(7x+3) equation:


Simplifying
90 = 2(7x + 3)

Reorder the terms:
90 = 2(3 + 7x)
90 = (3 * 2 + 7x * 2)
90 = (6 + 14x)

Solving
90 = 6 + 14x

Solving for variable 'x'.

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

Add '-14x' to each side of the equation.
90 + -14x = 6 + 14x + -14x

Combine like terms: 14x + -14x = 0
90 + -14x = 6 + 0
90 + -14x = 6

Add '-90' to each side of the equation.
90 + -90 + -14x = 6 + -90

Combine like terms: 90 + -90 = 0
0 + -14x = 6 + -90
-14x = 6 + -90

Combine like terms: 6 + -90 = -84
-14x = -84

Divide each side by '-14'.
x = 6

Simplifying
x = 6

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