-3a+7=-4a+12

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Solution for -3a+7=-4a+12 equation:


Simplifying
-3a + 7 = -4a + 12

Reorder the terms:
7 + -3a = -4a + 12

Reorder the terms:
7 + -3a = 12 + -4a

Solving
7 + -3a = 12 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
7 + -3a + 4a = 12 + -4a + 4a

Combine like terms: -3a + 4a = 1a
7 + 1a = 12 + -4a + 4a

Combine like terms: -4a + 4a = 0
7 + 1a = 12 + 0
7 + 1a = 12

Add '-7' to each side of the equation.
7 + -7 + 1a = 12 + -7

Combine like terms: 7 + -7 = 0
0 + 1a = 12 + -7
1a = 12 + -7

Combine like terms: 12 + -7 = 5
1a = 5

Divide each side by '1'.
a = 5

Simplifying
a = 5

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