3x-13=2(x+y)+7

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Solution for 3x-13=2(x+y)+7 equation:


Simplifying
3x + -13 = 2(x + y) + 7

Reorder the terms:
-13 + 3x = 2(x + y) + 7
-13 + 3x = (x * 2 + y * 2) + 7
-13 + 3x = (2x + 2y) + 7

Reorder the terms:
-13 + 3x = 7 + 2x + 2y

Solving
-13 + 3x = 7 + 2x + 2y

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-13 + 3x + -2x = 7 + 2x + -2x + 2y

Combine like terms: 3x + -2x = 1x
-13 + 1x = 7 + 2x + -2x + 2y

Combine like terms: 2x + -2x = 0
-13 + 1x = 7 + 0 + 2y
-13 + 1x = 7 + 2y

Add '13' to each side of the equation.
-13 + 13 + 1x = 7 + 13 + 2y

Combine like terms: -13 + 13 = 0
0 + 1x = 7 + 13 + 2y
1x = 7 + 13 + 2y

Combine like terms: 7 + 13 = 20
1x = 20 + 2y

Divide each side by '1'.
x = 20 + 2y

Simplifying
x = 20 + 2y

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