7(a+2)=5(a+4)

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Solution for 7(a+2)=5(a+4) equation:


Simplifying
7(a + 2) = 5(a + 4)

Reorder the terms:
7(2 + a) = 5(a + 4)
(2 * 7 + a * 7) = 5(a + 4)
(14 + 7a) = 5(a + 4)

Reorder the terms:
14 + 7a = 5(4 + a)
14 + 7a = (4 * 5 + a * 5)
14 + 7a = (20 + 5a)

Solving
14 + 7a = 20 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
14 + 7a + -5a = 20 + 5a + -5a

Combine like terms: 7a + -5a = 2a
14 + 2a = 20 + 5a + -5a

Combine like terms: 5a + -5a = 0
14 + 2a = 20 + 0
14 + 2a = 20

Add '-14' to each side of the equation.
14 + -14 + 2a = 20 + -14

Combine like terms: 14 + -14 = 0
0 + 2a = 20 + -14
2a = 20 + -14

Combine like terms: 20 + -14 = 6
2a = 6

Divide each side by '2'.
a = 3

Simplifying
a = 3

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