1(a-4)+15=13

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Solution for 1(a-4)+15=13 equation:


Simplifying
1(a + -4) + 15 = 13

Reorder the terms:
1(-4 + a) + 15 = 13
(-4 * 1 + a * 1) + 15 = 13
(-4 + 1a) + 15 = 13

Reorder the terms:
-4 + 15 + 1a = 13

Combine like terms: -4 + 15 = 11
11 + 1a = 13

Solving
11 + 1a = 13

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 + 1a = 13 + -11

Combine like terms: 11 + -11 = 0
0 + 1a = 13 + -11
1a = 13 + -11

Combine like terms: 13 + -11 = 2
1a = 2

Divide each side by '1'.
a = 2

Simplifying
a = 2

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