3(0.5+-2.5y)-y=-7

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Solution for 3(0.5+-2.5y)-y=-7 equation: 


Simplifying
3(0.5 + -2.5y) + -1y = -7
(0.5 * 3 + -2.5y * 3) + -1y = -7
(1.5 + -7.5y) + -1y = -7

Combine like terms: -7.5y + -1y = -8.5y
1.5 + -8.5y = -7

Solving
1.5 + -8.5y = -7

Solving for variable 'y'.

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

Add '-1.5' to each side of the equation.
1.5 + -1.5 + -8.5y = -7 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + -8.5y = -7 + -1.5
-8.5y = -7 + -1.5

Combine like terms: -7 + -1.5 = -8.5
-8.5y = -8.5

Divide each side by '-8.5'.
y = 1

Simplifying
y = 1

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