18-5a=3(8a-7)

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Solution for 18-5a=3(8a-7) equation:


Simplifying
18 + -5a = 3(8a + -7)

Reorder the terms:
18 + -5a = 3(-7 + 8a)
18 + -5a = (-7 * 3 + 8a * 3)
18 + -5a = (-21 + 24a)

Solving
18 + -5a = -21 + 24a

Solving for variable 'a'.

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

Add '-24a' to each side of the equation.
18 + -5a + -24a = -21 + 24a + -24a

Combine like terms: -5a + -24a = -29a
18 + -29a = -21 + 24a + -24a

Combine like terms: 24a + -24a = 0
18 + -29a = -21 + 0
18 + -29a = -21

Add '-18' to each side of the equation.
18 + -18 + -29a = -21 + -18

Combine like terms: 18 + -18 = 0
0 + -29a = -21 + -18
-29a = -21 + -18

Combine like terms: -21 + -18 = -39
-29a = -39

Divide each side by '-29'.
a = 1.344827586

Simplifying
a = 1.344827586

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