3a-7(1-a)=8

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Solution for 3a-7(1-a)=8 equation:


Simplifying
3a + -7(1 + -1a) = 8
3a + (1 * -7 + -1a * -7) = 8
3a + (-7 + 7a) = 8

Reorder the terms:
-7 + 3a + 7a = 8

Combine like terms: 3a + 7a = 10a
-7 + 10a = 8

Solving
-7 + 10a = 8

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 10a = 8 + 7

Combine like terms: -7 + 7 = 0
0 + 10a = 8 + 7
10a = 8 + 7

Combine like terms: 8 + 7 = 15
10a = 15

Divide each side by '10'.
a = 1.5

Simplifying
a = 1.5

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