8=2.5y-(7)

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Solution for 8=2.5y-(7) equation: 


Simplifying
8 = 2.5y + -1(7)

Multiply -1 * 7
8 = 2.5y + -7

Reorder the terms:
8 = -7 + 2.5y

Solving
8 = -7 + 2.5y

Solving for variable 'y'.

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

Add '-2.5y' to each side of the equation.
8 + -2.5y = -7 + 2.5y + -2.5y

Combine like terms: 2.5y + -2.5y = 0.0
8 + -2.5y = -7 + 0.0
8 + -2.5y = -7

Add '-8' to each side of the equation.
8 + -8 + -2.5y = -7 + -8

Combine like terms: 8 + -8 = 0
0 + -2.5y = -7 + -8
-2.5y = -7 + -8

Combine like terms: -7 + -8 = -15
-2.5y = -15

Divide each side by '-2.5'.
y = 6

Simplifying
y = 6

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