3(2x+4)-2(x+1)=90

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Solution for 3(2x+4)-2(x+1)=90 equation:


Simplifying
3(2x + 4) + -2(x + 1) = 90

Reorder the terms:
3(4 + 2x) + -2(x + 1) = 90
(4 * 3 + 2x * 3) + -2(x + 1) = 90
(12 + 6x) + -2(x + 1) = 90

Reorder the terms:
12 + 6x + -2(1 + x) = 90
12 + 6x + (1 * -2 + x * -2) = 90
12 + 6x + (-2 + -2x) = 90

Reorder the terms:
12 + -2 + 6x + -2x = 90

Combine like terms: 12 + -2 = 10
10 + 6x + -2x = 90

Combine like terms: 6x + -2x = 4x
10 + 4x = 90

Solving
10 + 4x = 90

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 4x = 90 + -10

Combine like terms: 10 + -10 = 0
0 + 4x = 90 + -10
4x = 90 + -10

Combine like terms: 90 + -10 = 80
4x = 80

Divide each side by '4'.
x = 20

Simplifying
x = 20

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