42a+-40=-18

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Solution for 42a+-40=-18 equation: 


Simplifying
42a + -40 = -18

Reorder the terms:
-40 + 42a = -18

Solving
-40 + 42a = -18

Solving for variable 'a'.

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

Add '40' to each side of the equation.
-40 + 40 + 42a = -18 + 40

Combine like terms: -40 + 40 = 0
0 + 42a = -18 + 40
42a = -18 + 40

Combine like terms: -18 + 40 = 22
42a = 22

Divide each side by '42'.
a = 0.5238095238

Simplifying
a = 0.5238095238

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