a+1-a+2a=7+3+2

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Solution for a+1-a+2a=7+3+2 equation:


Simplifying
a + 1 + -1a + 2a = 7 + 3 + 2

Reorder the terms:
1 + a + -1a + 2a = 7 + 3 + 2

Combine like terms: a + -1a = 0
1 + 0 + 2a = 7 + 3 + 2
1 + 2a = 7 + 3 + 2

Combine like terms: 7 + 3 = 10
1 + 2a = 10 + 2

Combine like terms: 10 + 2 = 12
1 + 2a = 12

Solving
1 + 2a = 12

Solving for variable 'a'.

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

Add '-1' to each side of the equation.
1 + -1 + 2a = 12 + -1

Combine like terms: 1 + -1 = 0
0 + 2a = 12 + -1
2a = 12 + -1

Combine like terms: 12 + -1 = 11
2a = 11

Divide each side by '2'.
a = 5.5

Simplifying
a = 5.5

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