3(x+2)-y=-7

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


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

Reorder the terms:
3(2 + x) + -1y = -7
(2 * 3 + x * 3) + -1y = -7
(6 + 3x) + -1y = -7

Solving
6 + 3x + -1y = -7

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + 3x + -6 + -1y = -7 + -6

Reorder the terms:
6 + -6 + 3x + -1y = -7 + -6

Combine like terms: 6 + -6 = 0
0 + 3x + -1y = -7 + -6
3x + -1y = -7 + -6

Combine like terms: -7 + -6 = -13
3x + -1y = -13

Add 'y' to each side of the equation.
3x + -1y + y = -13 + y

Combine like terms: -1y + y = 0
3x + 0 = -13 + y
3x = -13 + y

Divide each side by '3'.
x = -4.333333333 + 0.3333333333y

Simplifying
x = -4.333333333 + 0.3333333333y

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