5(a+3)-4=31

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Solution for 5(a+3)-4=31 equation:


Simplifying
5(a + 3) + -4 = 31

Reorder the terms:
5(3 + a) + -4 = 31
(3 * 5 + a * 5) + -4 = 31
(15 + 5a) + -4 = 31

Reorder the terms:
15 + -4 + 5a = 31

Combine like terms: 15 + -4 = 11
11 + 5a = 31

Solving
11 + 5a = 31

Solving for variable 'a'.

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

Add '-11' to each side of the equation.
11 + -11 + 5a = 31 + -11

Combine like terms: 11 + -11 = 0
0 + 5a = 31 + -11
5a = 31 + -11

Combine like terms: 31 + -11 = 20
5a = 20

Divide each side by '5'.
a = 4

Simplifying
a = 4

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