15-8(a-1)=19

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Solution for 15-8(a-1)=19 equation:


Simplifying
15 + -8(a + -1) = 19

Reorder the terms:
15 + -8(-1 + a) = 19
15 + (-1 * -8 + a * -8) = 19
15 + (8 + -8a) = 19

Combine like terms: 15 + 8 = 23
23 + -8a = 19

Solving
23 + -8a = 19

Solving for variable 'a'.

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

Add '-23' to each side of the equation.
23 + -23 + -8a = 19 + -23

Combine like terms: 23 + -23 = 0
0 + -8a = 19 + -23
-8a = 19 + -23

Combine like terms: 19 + -23 = -4
-8a = -4

Divide each side by '-8'.
a = 0.5

Simplifying
a = 0.5

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