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

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Solution for 5(a+3)=4(7+a) equation:


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

Reorder the terms:
5(3 + a) = 4(7 + a)
(3 * 5 + a * 5) = 4(7 + a)
(15 + 5a) = 4(7 + a)
15 + 5a = (7 * 4 + a * 4)
15 + 5a = (28 + 4a)

Solving
15 + 5a = 28 + 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.
15 + 5a + -4a = 28 + 4a + -4a

Combine like terms: 5a + -4a = 1a
15 + 1a = 28 + 4a + -4a

Combine like terms: 4a + -4a = 0
15 + 1a = 28 + 0
15 + 1a = 28

Add '-15' to each side of the equation.
15 + -15 + 1a = 28 + -15

Combine like terms: 15 + -15 = 0
0 + 1a = 28 + -15
1a = 28 + -15

Combine like terms: 28 + -15 = 13
1a = 13

Divide each side by '1'.
a = 13

Simplifying
a = 13

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