4y+3y-1=7(y-1)

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Solution for 4y+3y-1=7(y-1) equation: 


Simplifying
4y + 3y + -1 = 7(y + -1)

Reorder the terms:
-1 + 4y + 3y = 7(y + -1)

Combine like terms: 4y + 3y = 7y
-1 + 7y = 7(y + -1)

Reorder the terms:
-1 + 7y = 7(-1 + y)
-1 + 7y = (-1 * 7 + y * 7)
-1 + 7y = (-7 + 7y)

Add '-7y' to each side of the equation.
-1 + 7y + -7y = -7 + 7y + -7y

Combine like terms: 7y + -7y = 0
-1 + 0 = -7 + 7y + -7y
-1 = -7 + 7y + -7y

Combine like terms: 7y + -7y = 0
-1 = -7 + 0
-1 = -7

Solving
-1 = -7

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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