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

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


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

Reorder the terms:
7(4 + a) = 5(a + 2)
(4 * 7 + a * 7) = 5(a + 2)
(28 + 7a) = 5(a + 2)

Reorder the terms:
28 + 7a = 5(2 + a)
28 + 7a = (2 * 5 + a * 5)
28 + 7a = (10 + 5a)

Solving
28 + 7a = 10 + 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.
28 + 7a + -5a = 10 + 5a + -5a

Combine like terms: 7a + -5a = 2a
28 + 2a = 10 + 5a + -5a

Combine like terms: 5a + -5a = 0
28 + 2a = 10 + 0
28 + 2a = 10

Add '-28' to each side of the equation.
28 + -28 + 2a = 10 + -28

Combine like terms: 28 + -28 = 0
0 + 2a = 10 + -28
2a = 10 + -28

Combine like terms: 10 + -28 = -18
2a = -18

Divide each side by '2'.
a = -9

Simplifying
a = -9

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