3x+-5=40

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Solution for 3x+-5=40 equation: 


Simplifying
3x + -5 = 40

Reorder the terms:
-5 + 3x = 40

Solving
-5 + 3x = 40

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 3x = 40 + 5

Combine like terms: -5 + 5 = 0
0 + 3x = 40 + 5
3x = 40 + 5

Combine like terms: 40 + 5 = 45
3x = 45

Divide each side by '3'.
x = 15

Simplifying
x = 15

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