80=6x+2(2x+15)

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Solution for 80=6x+2(2x+15) equation:


Simplifying
80 = 6x + 2(2x + 15)

Reorder the terms:
80 = 6x + 2(15 + 2x)
80 = 6x + (15 * 2 + 2x * 2)
80 = 6x + (30 + 4x)

Reorder the terms:
80 = 30 + 6x + 4x

Combine like terms: 6x + 4x = 10x
80 = 30 + 10x

Solving
80 = 30 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
80 + -10x = 30 + 10x + -10x

Combine like terms: 10x + -10x = 0
80 + -10x = 30 + 0
80 + -10x = 30

Add '-80' to each side of the equation.
80 + -80 + -10x = 30 + -80

Combine like terms: 80 + -80 = 0
0 + -10x = 30 + -80
-10x = 30 + -80

Combine like terms: 30 + -80 = -50
-10x = -50

Divide each side by '-10'.
x = 5

Simplifying
x = 5

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