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

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


Simplifying
5(a + -4) = 3a + -1(7 + -1a)

Reorder the terms:
5(-4 + a) = 3a + -1(7 + -1a)
(-4 * 5 + a * 5) = 3a + -1(7 + -1a)
(-20 + 5a) = 3a + -1(7 + -1a)
-20 + 5a = 3a + (7 * -1 + -1a * -1)
-20 + 5a = 3a + (-7 + 1a)

Reorder the terms:
-20 + 5a = -7 + 3a + 1a

Combine like terms: 3a + 1a = 4a
-20 + 5a = -7 + 4a

Solving
-20 + 5a = -7 + 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.
-20 + 5a + -4a = -7 + 4a + -4a

Combine like terms: 5a + -4a = 1a
-20 + 1a = -7 + 4a + -4a

Combine like terms: 4a + -4a = 0
-20 + 1a = -7 + 0
-20 + 1a = -7

Add '20' to each side of the equation.
-20 + 20 + 1a = -7 + 20

Combine like terms: -20 + 20 = 0
0 + 1a = -7 + 20
1a = -7 + 20

Combine like terms: -7 + 20 = 13
1a = 13

Divide each side by '1'.
a = 13

Simplifying
a = 13

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