7y-30=-y+30

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Solution for 7y-30=-y+30 equation:


Simplifying
7y + -30 = -1y + 30

Reorder the terms:
-30 + 7y = -1y + 30

Reorder the terms:
-30 + 7y = 30 + -1y

Solving
-30 + 7y = 30 + -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.
-30 + 7y + y = 30 + -1y + y

Combine like terms: 7y + y = 8y
-30 + 8y = 30 + -1y + y

Combine like terms: -1y + y = 0
-30 + 8y = 30 + 0
-30 + 8y = 30

Add '30' to each side of the equation.
-30 + 30 + 8y = 30 + 30

Combine like terms: -30 + 30 = 0
0 + 8y = 30 + 30
8y = 30 + 30

Combine like terms: 30 + 30 = 60
8y = 60

Divide each side by '8'.
y = 7.5

Simplifying
y = 7.5

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