3x-4+2x-1=40

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Solution for 3x-4+2x-1=40 equation:


Simplifying
3x + -4 + 2x + -1 = 40

Reorder the terms:
-4 + -1 + 3x + 2x = 40

Combine like terms: -4 + -1 = -5
-5 + 3x + 2x = 40

Combine like terms: 3x + 2x = 5x
-5 + 5x = 40

Solving
-5 + 5x = 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 + 5x = 40 + 5

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

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

Divide each side by '5'.
x = 9

Simplifying
x = 9

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