10+2(5y-1)=7(y+9)

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Solution for 10+2(5y-1)=7(y+9) equation:


Simplifying
10 + 2(5y + -1) = 7(y + 9)

Reorder the terms:
10 + 2(-1 + 5y) = 7(y + 9)
10 + (-1 * 2 + 5y * 2) = 7(y + 9)
10 + (-2 + 10y) = 7(y + 9)

Combine like terms: 10 + -2 = 8
8 + 10y = 7(y + 9)

Reorder the terms:
8 + 10y = 7(9 + y)
8 + 10y = (9 * 7 + y * 7)
8 + 10y = (63 + 7y)

Solving
8 + 10y = 63 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
8 + 10y + -7y = 63 + 7y + -7y

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

Combine like terms: 7y + -7y = 0
8 + 3y = 63 + 0
8 + 3y = 63

Add '-8' to each side of the equation.
8 + -8 + 3y = 63 + -8

Combine like terms: 8 + -8 = 0
0 + 3y = 63 + -8
3y = 63 + -8

Combine like terms: 63 + -8 = 55
3y = 55

Divide each side by '3'.
y = 18.33333333

Simplifying
y = 18.33333333

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