8a-3(1+7a)=17-3a

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Solution for 8a-3(1+7a)=17-3a equation:


Simplifying
8a + -3(1 + 7a) = 17 + -3a
8a + (1 * -3 + 7a * -3) = 17 + -3a
8a + (-3 + -21a) = 17 + -3a

Reorder the terms:
-3 + 8a + -21a = 17 + -3a

Combine like terms: 8a + -21a = -13a
-3 + -13a = 17 + -3a

Solving
-3 + -13a = 17 + -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
-3 + -13a + 3a = 17 + -3a + 3a

Combine like terms: -13a + 3a = -10a
-3 + -10a = 17 + -3a + 3a

Combine like terms: -3a + 3a = 0
-3 + -10a = 17 + 0
-3 + -10a = 17

Add '3' to each side of the equation.
-3 + 3 + -10a = 17 + 3

Combine like terms: -3 + 3 = 0
0 + -10a = 17 + 3
-10a = 17 + 3

Combine like terms: 17 + 3 = 20
-10a = 20

Divide each side by '-10'.
a = -2

Simplifying
a = -2

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