3a+7-a=-5

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


Simplifying
3a + 7 + -1a = -5

Reorder the terms:
7 + 3a + -1a = -5

Combine like terms: 3a + -1a = 2a
7 + 2a = -5

Solving
7 + 2a = -5

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 = -5 + -7

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

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

Divide each side by '2'.
a = -6

Simplifying
a = -6

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