3y+7=-y+5

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Solution for 3y+7=-y+5 equation:


Simplifying
3y + 7 = -1y + 5

Reorder the terms:
7 + 3y = -1y + 5

Reorder the terms:
7 + 3y = 5 + -1y

Solving
7 + 3y = 5 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
7 + 3y + y = 5 + -1y + y

Combine like terms: 3y + y = 4y
7 + 4y = 5 + -1y + y

Combine like terms: -1y + y = 0
7 + 4y = 5 + 0
7 + 4y = 5

Add '-7' to each side of the equation.
7 + -7 + 4y = 5 + -7

Combine like terms: 7 + -7 = 0
0 + 4y = 5 + -7
4y = 5 + -7

Combine like terms: 5 + -7 = -2
4y = -2

Divide each side by '4'.
y = -0.5

Simplifying
y = -0.5

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