30=8y+7y

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Solution for 30=8y+7y equation:


Simplifying
30 = 8y + 7y

Combine like terms: 8y + 7y = 15y
30 = 15y

Solving
30 = 15y

Solving for variable 'y'.

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

Add '-15y' to each side of the equation.
30 + -15y = 15y + -15y

Combine like terms: 15y + -15y = 0
30 + -15y = 0

Add '-30' to each side of the equation.
30 + -30 + -15y = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -15y = 0 + -30
-15y = 0 + -30

Combine like terms: 0 + -30 = -30
-15y = -30

Divide each side by '-15'.
y = 2

Simplifying
y = 2

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