8+7(3a-1)=-a+23

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Solution for 8+7(3a-1)=-a+23 equation:


Simplifying
8 + 7(3a + -1) = -1a + 23

Reorder the terms:
8 + 7(-1 + 3a) = -1a + 23
8 + (-1 * 7 + 3a * 7) = -1a + 23
8 + (-7 + 21a) = -1a + 23

Combine like terms: 8 + -7 = 1
1 + 21a = -1a + 23

Reorder the terms:
1 + 21a = 23 + -1a

Solving
1 + 21a = 23 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
1 + 21a + a = 23 + -1a + a

Combine like terms: 21a + a = 22a
1 + 22a = 23 + -1a + a

Combine like terms: -1a + a = 0
1 + 22a = 23 + 0
1 + 22a = 23

Add '-1' to each side of the equation.
1 + -1 + 22a = 23 + -1

Combine like terms: 1 + -1 = 0
0 + 22a = 23 + -1
22a = 23 + -1

Combine like terms: 23 + -1 = 22
22a = 22

Divide each side by '22'.
a = 1

Simplifying
a = 1

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