-5y+4(-7+9)-7(7+3y)=-7

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Solution for -5y+4(-7+9)-7(7+3y)=-7 equation: 


Simplifying
-5y + 4(-7 + 9) + -7(7 + 3y) = -7

Combine like terms: -7 + 9 = 2
-5y + 4(2) + -7(7 + 3y) = -7

Multiply 4 * 2
-5y + 8 + -7(7 + 3y) = -7
-5y + 8 + (7 * -7 + 3y * -7) = -7
-5y + 8 + (-49 + -21y) = -7

Reorder the terms:
8 + -49 + -5y + -21y = -7

Combine like terms: 8 + -49 = -41
-41 + -5y + -21y = -7

Combine like terms: -5y + -21y = -26y
-41 + -26y = -7

Solving
-41 + -26y = -7

Solving for variable 'y'.

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

Add '41' to each side of the equation.
-41 + 41 + -26y = -7 + 41

Combine like terms: -41 + 41 = 0
0 + -26y = -7 + 41
-26y = -7 + 41

Combine like terms: -7 + 41 = 34
-26y = 34

Divide each side by '-26'.
y = -1.307692308

Simplifying
y = -1.307692308

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