3a+2-2a=7

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Solution for 3a+2-2a=7 equation: 


Simplifying
3a + 2 + -2a = 7

Reorder the terms:
2 + 3a + -2a = 7

Combine like terms: 3a + -2a = 1a
2 + 1a = 7

Solving
2 + 1a = 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 + 1a = 7 + -2

Combine like terms: 2 + -2 = 0
0 + 1a = 7 + -2
1a = 7 + -2

Combine like terms: 7 + -2 = 5
1a = 5

Divide each side by '1'.
a = 5

Simplifying
a = 5

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