5a+7-3a=

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


Simplifying
5a + 7 + -3a = 0

Reorder the terms:
7 + 5a + -3a = 0

Combine like terms: 5a + -3a = 2a
7 + 2a = 0

Solving
7 + 2a = 0

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + 2a = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 2a = 0 + -7
2a = 0 + -7

Combine like terms: 0 + -7 = -7
2a = -7

Divide each side by '2'.
a = -3.5

Simplifying
a = -3.5

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