1+3a=2a+7

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


Simplifying
1 + 3a = 2a + 7

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

Solving
1 + 3a = 7 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
1 + 3a + -2a = 7 + 2a + -2a

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

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

Add '-1' to each side of the equation.
1 + -1 + 1a = 7 + -1

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

Combine like terms: 7 + -1 = 6
1a = 6

Divide each side by '1'.
a = 6

Simplifying
a = 6

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