9(1.25+1.75y)-7y=-15

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Solution for 9(1.25+1.75y)-7y=-15 equation: 


Simplifying
9(1.25 + 1.75y) + -7y = -15
(1.25 * 9 + 1.75y * 9) + -7y = -15
(11.25 + 15.75y) + -7y = -15

Combine like terms: 15.75y + -7y = 8.75y
11.25 + 8.75y = -15

Solving
11.25 + 8.75y = -15

Solving for variable 'y'.

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

Add '-11.25' to each side of the equation.
11.25 + -11.25 + 8.75y = -15 + -11.25

Combine like terms: 11.25 + -11.25 = 0.00
0.00 + 8.75y = -15 + -11.25
8.75y = -15 + -11.25

Combine like terms: -15 + -11.25 = -26.25
8.75y = -26.25

Divide each side by '8.75'.
y = -3

Simplifying
y = -3

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