a+7=3+7

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Solution for a+7=3+7 equation: 


Simplifying
a + 7 = 3 + 7

Reorder the terms:
7 + a = 3 + 7

Combine like terms: 3 + 7 = 10
7 + a = 10

Solving
7 + a = 10

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 + a = 10 + -7

Combine like terms: 7 + -7 = 0
0 + a = 10 + -7
a = 10 + -7

Combine like terms: 10 + -7 = 3
a = 3

Simplifying
a = 3

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