-6a+3(7-8a)=-2(3a+4)+5a

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Solution for -6a+3(7-8a)=-2(3a+4)+5a equation:


Simplifying
-6a + 3(7 + -8a) = -2(3a + 4) + 5a
-6a + (7 * 3 + -8a * 3) = -2(3a + 4) + 5a
-6a + (21 + -24a) = -2(3a + 4) + 5a

Reorder the terms:
21 + -6a + -24a = -2(3a + 4) + 5a

Combine like terms: -6a + -24a = -30a
21 + -30a = -2(3a + 4) + 5a

Reorder the terms:
21 + -30a = -2(4 + 3a) + 5a
21 + -30a = (4 * -2 + 3a * -2) + 5a
21 + -30a = (-8 + -6a) + 5a

Combine like terms: -6a + 5a = -1a
21 + -30a = -8 + -1a

Solving
21 + -30a = -8 + -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.
21 + -30a + a = -8 + -1a + a

Combine like terms: -30a + a = -29a
21 + -29a = -8 + -1a + a

Combine like terms: -1a + a = 0
21 + -29a = -8 + 0
21 + -29a = -8

Add '-21' to each side of the equation.
21 + -21 + -29a = -8 + -21

Combine like terms: 21 + -21 = 0
0 + -29a = -8 + -21
-29a = -8 + -21

Combine like terms: -8 + -21 = -29
-29a = -29

Divide each side by '-29'.
a = 1

Simplifying
a = 1

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