a+7=5+3a

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Solution for a+7=5+3a equation:


Simplifying
a + 7 = 5 + 3a

Reorder the terms:
7 + a = 5 + 3a

Solving
7 + a = 5 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
7 + a + -3a = 5 + 3a + -3a

Combine like terms: a + -3a = -2a
7 + -2a = 5 + 3a + -3a

Combine like terms: 3a + -3a = 0
7 + -2a = 5 + 0
7 + -2a = 5

Add '-7' to each side of the equation.
7 + -7 + -2a = 5 + -7

Combine like terms: 7 + -7 = 0
0 + -2a = 5 + -7
-2a = 5 + -7

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

Divide each side by '-2'.
a = 1

Simplifying
a = 1

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