-5a-7+4a=-1(a-7)

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Solution for -5a-7+4a=-1(a-7) equation: 


Simplifying
-5a + -7 + 4a = -1(a + -7)

Reorder the terms:
-7 + -5a + 4a = -1(a + -7)

Combine like terms: -5a + 4a = -1a
-7 + -1a = -1(a + -7)

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

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

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

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

Solving
-7 = 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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