-7-9(1+6.5y)=18.5

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Solution for -7-9(1+6.5y)=18.5 equation: 


Simplifying
-7 + -9(1 + 6.5y) = 18.5
-7 + (1 * -9 + 6.5y * -9) = 18.5
-7 + (-9 + -58.5y) = 18.5

Combine like terms: -7 + -9 = -16
-16 + -58.5y = 18.5

Solving
-16 + -58.5y = 18.5

Solving for variable 'y'.

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

Add '16' to each side of the equation.
-16 + 16 + -58.5y = 18.5 + 16

Combine like terms: -16 + 16 = 0
0 + -58.5y = 18.5 + 16
-58.5y = 18.5 + 16

Combine like terms: 18.5 + 16 = 34.5
-58.5y = 34.5

Divide each side by '-58.5'.
y = -0.5897435897

Simplifying
y = -0.5897435897

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