(4y-7)-(9y-1)=-5y-6

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Solution for (4y-7)-(9y-1)=-5y-6 equation:


Simplifying
(4y + -7) + -1(9y + -1) = -5y + -6

Reorder the terms:
(-7 + 4y) + -1(9y + -1) = -5y + -6

Remove parenthesis around (-7 + 4y)
-7 + 4y + -1(9y + -1) = -5y + -6

Reorder the terms:
-7 + 4y + -1(-1 + 9y) = -5y + -6
-7 + 4y + (-1 * -1 + 9y * -1) = -5y + -6
-7 + 4y + (1 + -9y) = -5y + -6

Reorder the terms:
-7 + 1 + 4y + -9y = -5y + -6

Combine like terms: -7 + 1 = -6
-6 + 4y + -9y = -5y + -6

Combine like terms: 4y + -9y = -5y
-6 + -5y = -5y + -6

Reorder the terms:
-6 + -5y = -6 + -5y

Add '6' to each side of the equation.
-6 + 6 + -5y = -6 + 6 + -5y

Combine like terms: -6 + 6 = 0
0 + -5y = -6 + 6 + -5y
-5y = -6 + 6 + -5y

Combine like terms: -6 + 6 = 0
-5y = 0 + -5y
-5y = -5y

Add '5y' to each side of the equation.
-5y + 5y = -5y + 5y

Combine like terms: -5y + 5y = 0
0 = -5y + 5y

Combine like terms: -5y + 5y = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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