7(3x+2)-1=20(x-1)+36

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Solution for 7(3x+2)-1=20(x-1)+36 equation:


Simplifying
7(3x + 2) + -1 = 20(x + -1) + 36

Reorder the terms:
7(2 + 3x) + -1 = 20(x + -1) + 36
(2 * 7 + 3x * 7) + -1 = 20(x + -1) + 36
(14 + 21x) + -1 = 20(x + -1) + 36

Reorder the terms:
14 + -1 + 21x = 20(x + -1) + 36

Combine like terms: 14 + -1 = 13
13 + 21x = 20(x + -1) + 36

Reorder the terms:
13 + 21x = 20(-1 + x) + 36
13 + 21x = (-1 * 20 + x * 20) + 36
13 + 21x = (-20 + 20x) + 36

Reorder the terms:
13 + 21x = -20 + 36 + 20x

Combine like terms: -20 + 36 = 16
13 + 21x = 16 + 20x

Solving
13 + 21x = 16 + 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.
13 + 21x + -20x = 16 + 20x + -20x

Combine like terms: 21x + -20x = 1x
13 + 1x = 16 + 20x + -20x

Combine like terms: 20x + -20x = 0
13 + 1x = 16 + 0
13 + 1x = 16

Add '-13' to each side of the equation.
13 + -13 + 1x = 16 + -13

Combine like terms: 13 + -13 = 0
0 + 1x = 16 + -13
1x = 16 + -13

Combine like terms: 16 + -13 = 3
1x = 3

Divide each side by '1'.
x = 3

Simplifying
x = 3

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