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

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


Simplifying
5(2a + 7) = 5(4 + -1a)

Reorder the terms:
5(7 + 2a) = 5(4 + -1a)
(7 * 5 + 2a * 5) = 5(4 + -1a)
(35 + 10a) = 5(4 + -1a)
35 + 10a = (4 * 5 + -1a * 5)
35 + 10a = (20 + -5a)

Solving
35 + 10a = 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.
35 + 10a + 5a = 20 + -5a + 5a

Combine like terms: 10a + 5a = 15a
35 + 15a = 20 + -5a + 5a

Combine like terms: -5a + 5a = 0
35 + 15a = 20 + 0
35 + 15a = 20

Add '-35' to each side of the equation.
35 + -35 + 15a = 20 + -35

Combine like terms: 35 + -35 = 0
0 + 15a = 20 + -35
15a = 20 + -35

Combine like terms: 20 + -35 = -15
15a = -15

Divide each side by '15'.
a = -1

Simplifying
a = -1

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