3x-1-2y=7

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Solution for 3x-1-2y=7 equation:


Simplifying
3x + -1 + -2y = 7

Reorder the terms:
-1 + 3x + -2y = 7

Solving
-1 + 3x + -2y = 7

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 3x + 1 + -2y = 7 + 1

Reorder the terms:
-1 + 1 + 3x + -2y = 7 + 1

Combine like terms: -1 + 1 = 0
0 + 3x + -2y = 7 + 1
3x + -2y = 7 + 1

Combine like terms: 7 + 1 = 8
3x + -2y = 8

Add '2y' to each side of the equation.
3x + -2y + 2y = 8 + 2y

Combine like terms: -2y + 2y = 0
3x + 0 = 8 + 2y
3x = 8 + 2y

Divide each side by '3'.
x = 2.666666667 + 0.6666666667y

Simplifying
x = 2.666666667 + 0.6666666667y

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