7y+9+3y+4=8y+63

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Solution for 7y+9+3y+4=8y+63 equation:


Simplifying
7y + 9 + 3y + 4 = 8y + 63

Reorder the terms:
9 + 4 + 7y + 3y = 8y + 63

Combine like terms: 9 + 4 = 13
13 + 7y + 3y = 8y + 63

Combine like terms: 7y + 3y = 10y
13 + 10y = 8y + 63

Reorder the terms:
13 + 10y = 63 + 8y

Solving
13 + 10y = 63 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
13 + 10y + -8y = 63 + 8y + -8y

Combine like terms: 10y + -8y = 2y
13 + 2y = 63 + 8y + -8y

Combine like terms: 8y + -8y = 0
13 + 2y = 63 + 0
13 + 2y = 63

Add '-13' to each side of the equation.
13 + -13 + 2y = 63 + -13

Combine like terms: 13 + -13 = 0
0 + 2y = 63 + -13
2y = 63 + -13

Combine like terms: 63 + -13 = 50
2y = 50

Divide each side by '2'.
y = 25

Simplifying
y = 25

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