67-a+18=40

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Solution for 67-a+18=40 equation:


Simplifying
67 + -1a + 18 = 40

Reorder the terms:
67 + 18 + -1a = 40

Combine like terms: 67 + 18 = 85
85 + -1a = 40

Solving
85 + -1a = 40

Solving for variable 'a'.

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

Add '-85' to each side of the equation.
85 + -85 + -1a = 40 + -85

Combine like terms: 85 + -85 = 0
0 + -1a = 40 + -85
-1a = 40 + -85

Combine like terms: 40 + -85 = -45
-1a = -45

Divide each side by '-1'.
a = 45

Simplifying
a = 45

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