2x+y-3=12

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Solution for 2x+y-3=12 equation:


Simplifying
2x + y + -3 = 12

Reorder the terms:
-3 + 2x + y = 12

Solving
-3 + 2x + y = 12

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 2x + 3 + y = 12 + 3

Reorder the terms:
-3 + 3 + 2x + y = 12 + 3

Combine like terms: -3 + 3 = 0
0 + 2x + y = 12 + 3
2x + y = 12 + 3

Combine like terms: 12 + 3 = 15
2x + y = 15

Add '-1y' to each side of the equation.
2x + y + -1y = 15 + -1y

Combine like terms: y + -1y = 0
2x + 0 = 15 + -1y
2x = 15 + -1y

Divide each side by '2'.
x = 7.5 + -0.5y

Simplifying
x = 7.5 + -0.5y

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