7x+3(-2x+4)=20

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Solution for 7x+3(-2x+4)=20 equation: 


Simplifying
7x + 3(-2x + 4) = 20

Reorder the terms:
7x + 3(4 + -2x) = 20
7x + (4 * 3 + -2x * 3) = 20
7x + (12 + -6x) = 20

Reorder the terms:
12 + 7x + -6x = 20

Combine like terms: 7x + -6x = 1x
12 + 1x = 20

Solving
12 + 1x = 20

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 1x = 20 + -12

Combine like terms: 12 + -12 = 0
0 + 1x = 20 + -12
1x = 20 + -12

Combine like terms: 20 + -12 = 8
1x = 8

Divide each side by '1'.
x = 8

Simplifying
x = 8

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