7(y+7.7)=8(8.8-y)

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Solution for 7(y+7.7)=8(8.8-y) equation:


Simplifying
7(y + 7.7) = 8(8.8 + -1y)

Reorder the terms:
7(7.7 + y) = 8(8.8 + -1y)
(7.7 * 7 + y * 7) = 8(8.8 + -1y)
(53.9 + 7y) = 8(8.8 + -1y)
53.9 + 7y = (8.8 * 8 + -1y * 8)
53.9 + 7y = (70.4 + -8y)

Solving
53.9 + 7y = 70.4 + -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.
53.9 + 7y + 8y = 70.4 + -8y + 8y

Combine like terms: 7y + 8y = 15y
53.9 + 15y = 70.4 + -8y + 8y

Combine like terms: -8y + 8y = 0
53.9 + 15y = 70.4 + 0
53.9 + 15y = 70.4

Add '-53.9' to each side of the equation.
53.9 + -53.9 + 15y = 70.4 + -53.9

Combine like terms: 53.9 + -53.9 = 0.0
0.0 + 15y = 70.4 + -53.9
15y = 70.4 + -53.9

Combine like terms: 70.4 + -53.9 = 16.5
15y = 16.5

Divide each side by '15'.
y = 1.1

Simplifying
y = 1.1

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