4+a-7=6

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Solution for 4+a-7=6 equation: 


Simplifying
4 + a + -7 = 6

Reorder the terms:
4 + -7 + a = 6

Combine like terms: 4 + -7 = -3
-3 + a = 6

Solving
-3 + a = 6

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + a = 6 + 3

Combine like terms: -3 + 3 = 0
0 + a = 6 + 3
a = 6 + 3

Combine like terms: 6 + 3 = 9
a = 9

Simplifying
a = 9

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