18=2a-5a

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Solution for 18=2a-5a equation:


Simplifying
18 = 2a + -5a

Combine like terms: 2a + -5a = -3a
18 = -3a

Solving
18 = -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.
18 + 3a = -3a + 3a

Combine like terms: -3a + 3a = 0
18 + 3a = 0

Add '-18' to each side of the equation.
18 + -18 + 3a = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 3a = 0 + -18
3a = 0 + -18

Combine like terms: 0 + -18 = -18
3a = -18

Divide each side by '3'.
a = -6

Simplifying
a = -6

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