-3+5-7=-7a+5a

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Solution for -3+5-7=-7a+5a equation:


Simplifying
-3 + 5 + -7 = -7a + 5a

Combine like terms: -3 + 5 = 2
2 + -7 = -7a + 5a

Combine like terms: 2 + -7 = -5
-5 = -7a + 5a

Combine like terms: -7a + 5a = -2a
-5 = -2a

Solving
-5 = -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
-5 + 2a = -2a + 2a

Combine like terms: -2a + 2a = 0
-5 + 2a = 0

Add '5' to each side of the equation.
-5 + 5 + 2a = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 2a = 0 + 5
2a = 0 + 5

Combine like terms: 0 + 5 = 5
2a = 5

Divide each side by '2'.
a = 2.5

Simplifying
a = 2.5

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