a-3-4+9=7

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Solution for a-3-4+9=7 equation:


Simplifying
a + -3 + -4 + 9 = 7

Reorder the terms:
-3 + -4 + 9 + a = 7

Combine like terms: -3 + -4 = -7
-7 + 9 + a = 7

Combine like terms: -7 + 9 = 2
2 + a = 7

Solving
2 + a = 7

Solving for variable 'a'.

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

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

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

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

Simplifying
a = 5

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