-3a+7=-7a+5

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


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

Reorder the terms:
7 + -3a = -7a + 5

Reorder the terms:
7 + -3a = 5 + -7a

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

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
7 + -3a + 7a = 5 + -7a + 7a

Combine like terms: -3a + 7a = 4a
7 + 4a = 5 + -7a + 7a

Combine like terms: -7a + 7a = 0
7 + 4a = 5 + 0
7 + 4a = 5

Add '-7' to each side of the equation.
7 + -7 + 4a = 5 + -7

Combine like terms: 7 + -7 = 0
0 + 4a = 5 + -7
4a = 5 + -7

Combine like terms: 5 + -7 = -2
4a = -2

Divide each side by '4'.
a = -0.5

Simplifying
a = -0.5

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