13+4(a-5)=11-2a

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Solution for 13+4(a-5)=11-2a equation:


Simplifying
13 + 4(a + -5) = 11 + -2a

Reorder the terms:
13 + 4(-5 + a) = 11 + -2a
13 + (-5 * 4 + a * 4) = 11 + -2a
13 + (-20 + 4a) = 11 + -2a

Combine like terms: 13 + -20 = -7
-7 + 4a = 11 + -2a

Solving
-7 + 4a = 11 + -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.
-7 + 4a + 2a = 11 + -2a + 2a

Combine like terms: 4a + 2a = 6a
-7 + 6a = 11 + -2a + 2a

Combine like terms: -2a + 2a = 0
-7 + 6a = 11 + 0
-7 + 6a = 11

Add '7' to each side of the equation.
-7 + 7 + 6a = 11 + 7

Combine like terms: -7 + 7 = 0
0 + 6a = 11 + 7
6a = 11 + 7

Combine like terms: 11 + 7 = 18
6a = 18

Divide each side by '6'.
a = 3

Simplifying
a = 3

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