7x-5+2x=3+4x+12

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Solution for 7x-5+2x=3+4x+12 equation:


Simplifying
7x + -5 + 2x = 3 + 4x + 12

Reorder the terms:
-5 + 7x + 2x = 3 + 4x + 12

Combine like terms: 7x + 2x = 9x
-5 + 9x = 3 + 4x + 12

Reorder the terms:
-5 + 9x = 3 + 12 + 4x

Combine like terms: 3 + 12 = 15
-5 + 9x = 15 + 4x

Solving
-5 + 9x = 15 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-5 + 9x + -4x = 15 + 4x + -4x

Combine like terms: 9x + -4x = 5x
-5 + 5x = 15 + 4x + -4x

Combine like terms: 4x + -4x = 0
-5 + 5x = 15 + 0
-5 + 5x = 15

Add '5' to each side of the equation.
-5 + 5 + 5x = 15 + 5

Combine like terms: -5 + 5 = 0
0 + 5x = 15 + 5
5x = 15 + 5

Combine like terms: 15 + 5 = 20
5x = 20

Divide each side by '5'.
x = 4

Simplifying
x = 4

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