7x-15+3=5x-2x+20

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Solution for 7x-15+3=5x-2x+20 equation:


Simplifying
7x + -15 + 3 = 5x + -2x + 20

Reorder the terms:
-15 + 3 + 7x = 5x + -2x + 20

Combine like terms: -15 + 3 = -12
-12 + 7x = 5x + -2x + 20

Reorder the terms:
-12 + 7x = 20 + 5x + -2x

Combine like terms: 5x + -2x = 3x
-12 + 7x = 20 + 3x

Solving
-12 + 7x = 20 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-12 + 7x + -3x = 20 + 3x + -3x

Combine like terms: 7x + -3x = 4x
-12 + 4x = 20 + 3x + -3x

Combine like terms: 3x + -3x = 0
-12 + 4x = 20 + 0
-12 + 4x = 20

Add '12' to each side of the equation.
-12 + 12 + 4x = 20 + 12

Combine like terms: -12 + 12 = 0
0 + 4x = 20 + 12
4x = 20 + 12

Combine like terms: 20 + 12 = 32
4x = 32

Divide each side by '4'.
x = 8

Simplifying
x = 8

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