7a-5(8+a)=3(a+5)

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Solution for 7a-5(8+a)=3(a+5) equation:


Simplifying
7a + -5(8 + a) = 3(a + 5)
7a + (8 * -5 + a * -5) = 3(a + 5)
7a + (-40 + -5a) = 3(a + 5)

Reorder the terms:
-40 + 7a + -5a = 3(a + 5)

Combine like terms: 7a + -5a = 2a
-40 + 2a = 3(a + 5)

Reorder the terms:
-40 + 2a = 3(5 + a)
-40 + 2a = (5 * 3 + a * 3)
-40 + 2a = (15 + 3a)

Solving
-40 + 2a = 15 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-40 + 2a + -3a = 15 + 3a + -3a

Combine like terms: 2a + -3a = -1a
-40 + -1a = 15 + 3a + -3a

Combine like terms: 3a + -3a = 0
-40 + -1a = 15 + 0
-40 + -1a = 15

Add '40' to each side of the equation.
-40 + 40 + -1a = 15 + 40

Combine like terms: -40 + 40 = 0
0 + -1a = 15 + 40
-1a = 15 + 40

Combine like terms: 15 + 40 = 55
-1a = 55

Divide each side by '-1'.
a = -55

Simplifying
a = -55

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