-5=a+7-3a

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


Simplifying
-5 = a + 7 + -3a

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

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

Solving
-5 = 7 + -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 = 7 + -2a + 2a

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

Add '5' to each side of the equation.
-5 + 5 + 2a = 7 + 5

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

Combine like terms: 7 + 5 = 12
2a = 12

Divide each side by '2'.
a = 6

Simplifying
a = 6

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