3(x+7)-20=5x+7

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Solution for 3(x+7)-20=5x+7 equation:


Simplifying
3(x + 7) + -20 = 5x + 7

Reorder the terms:
3(7 + x) + -20 = 5x + 7
(7 * 3 + x * 3) + -20 = 5x + 7
(21 + 3x) + -20 = 5x + 7

Reorder the terms:
21 + -20 + 3x = 5x + 7

Combine like terms: 21 + -20 = 1
1 + 3x = 5x + 7

Reorder the terms:
1 + 3x = 7 + 5x

Solving
1 + 3x = 7 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
1 + 3x + -5x = 7 + 5x + -5x

Combine like terms: 3x + -5x = -2x
1 + -2x = 7 + 5x + -5x

Combine like terms: 5x + -5x = 0
1 + -2x = 7 + 0
1 + -2x = 7

Add '-1' to each side of the equation.
1 + -1 + -2x = 7 + -1

Combine like terms: 1 + -1 = 0
0 + -2x = 7 + -1
-2x = 7 + -1

Combine like terms: 7 + -1 = 6
-2x = 6

Divide each side by '-2'.
x = -3

Simplifying
x = -3

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