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

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


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

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

Reorder the terms:
21 + -3 + -7a = -8a + 7

Combine like terms: 21 + -3 = 18
18 + -7a = -8a + 7

Reorder the terms:
18 + -7a = 7 + -8a

Solving
18 + -7a = 7 + -8a

Solving for variable 'a'.

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

Add '8a' to each side of the equation.
18 + -7a + 8a = 7 + -8a + 8a

Combine like terms: -7a + 8a = 1a
18 + 1a = 7 + -8a + 8a

Combine like terms: -8a + 8a = 0
18 + 1a = 7 + 0
18 + 1a = 7

Add '-18' to each side of the equation.
18 + -18 + 1a = 7 + -18

Combine like terms: 18 + -18 = 0
0 + 1a = 7 + -18
1a = 7 + -18

Combine like terms: 7 + -18 = -11
1a = -11

Divide each side by '1'.
a = -11

Simplifying
a = -11

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