7a-5(8-a)=2(a+5)

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Solution for 7a-5(8-a)=2(a+5) equation:


Simplifying
7a + -5(8 + -1a) = 2(a + 5)
7a + (8 * -5 + -1a * -5) = 2(a + 5)
7a + (-40 + 5a) = 2(a + 5)

Reorder the terms:
-40 + 7a + 5a = 2(a + 5)

Combine like terms: 7a + 5a = 12a
-40 + 12a = 2(a + 5)

Reorder the terms:
-40 + 12a = 2(5 + a)
-40 + 12a = (5 * 2 + a * 2)
-40 + 12a = (10 + 2a)

Solving
-40 + 12a = 10 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-40 + 12a + -2a = 10 + 2a + -2a

Combine like terms: 12a + -2a = 10a
-40 + 10a = 10 + 2a + -2a

Combine like terms: 2a + -2a = 0
-40 + 10a = 10 + 0
-40 + 10a = 10

Add '40' to each side of the equation.
-40 + 40 + 10a = 10 + 40

Combine like terms: -40 + 40 = 0
0 + 10a = 10 + 40
10a = 10 + 40

Combine like terms: 10 + 40 = 50
10a = 50

Divide each side by '10'.
a = 5

Simplifying
a = 5

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