7(y+9)=3(5-y)

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Solution for 7(y+9)=3(5-y) equation:


Simplifying
7(y + 9) = 3(5 + -1y)

Reorder the terms:
7(9 + y) = 3(5 + -1y)
(9 * 7 + y * 7) = 3(5 + -1y)
(63 + 7y) = 3(5 + -1y)
63 + 7y = (5 * 3 + -1y * 3)
63 + 7y = (15 + -3y)

Solving
63 + 7y = 15 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
63 + 7y + 3y = 15 + -3y + 3y

Combine like terms: 7y + 3y = 10y
63 + 10y = 15 + -3y + 3y

Combine like terms: -3y + 3y = 0
63 + 10y = 15 + 0
63 + 10y = 15

Add '-63' to each side of the equation.
63 + -63 + 10y = 15 + -63

Combine like terms: 63 + -63 = 0
0 + 10y = 15 + -63
10y = 15 + -63

Combine like terms: 15 + -63 = -48
10y = -48

Divide each side by '10'.
y = -4.8

Simplifying
y = -4.8

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