(3a+7)=(4a+2)

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Solution for (3a+7)=(4a+2) equation:


Simplifying
(3a + 7) = (4a + 2)

Reorder the terms:
(7 + 3a) = (4a + 2)

Remove parenthesis around (7 + 3a)
7 + 3a = (4a + 2)

Reorder the terms:
7 + 3a = (2 + 4a)

Remove parenthesis around (2 + 4a)
7 + 3a = 2 + 4a

Solving
7 + 3a = 2 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
7 + 3a + -4a = 2 + 4a + -4a

Combine like terms: 3a + -4a = -1a
7 + -1a = 2 + 4a + -4a

Combine like terms: 4a + -4a = 0
7 + -1a = 2 + 0
7 + -1a = 2

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

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

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

Divide each side by '-1'.
a = 5

Simplifying
a = 5

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