a-3+a-4=

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


Simplifying
a + -3 + a + -4 = 0

Reorder the terms:
-3 + -4 + a + a = 0

Combine like terms: -3 + -4 = -7
-7 + a + a = 0

Combine like terms: a + a = 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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