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

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


Simplifying
-7 = -5y + 4(-1y * 9) + -7(7 + 3y)

Reorder the terms for easier multiplication:
-7 = -5y + 4(-1 * 9y) + -7(7 + 3y)

Multiply -1 * 9
-7 = -5y + 4(-9y) + -7(7 + 3y)

Remove parenthesis around (-9y)
-7 = -5y + 4 * -9y + -7(7 + 3y)

Multiply 4 * -9
-7 = -5y + -36y + -7(7 + 3y)
-7 = -5y + -36y + (7 * -7 + 3y * -7)
-7 = -5y + -36y + (-49 + -21y)

Reorder the terms:
-7 = -49 + -5y + -36y + -21y

Combine like terms: -5y + -36y = -41y
-7 = -49 + -41y + -21y

Combine like terms: -41y + -21y = -62y
-7 = -49 + -62y

Solving
-7 = -49 + -62y

Solving for variable 'y'.

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

Add '62y' to each side of the equation.
-7 + 62y = -49 + -62y + 62y

Combine like terms: -62y + 62y = 0
-7 + 62y = -49 + 0
-7 + 62y = -49

Add '7' to each side of the equation.
-7 + 7 + 62y = -49 + 7

Combine like terms: -7 + 7 = 0
0 + 62y = -49 + 7
62y = -49 + 7

Combine like terms: -49 + 7 = -42
62y = -42

Divide each side by '62'.
y = -0.6774193548

Simplifying
y = -0.6774193548

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