3x-5+4x=18

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Solution for 3x-5+4x=18 equation:


Simplifying
3x + -5 + 4x = 18

Reorder the terms:
-5 + 3x + 4x = 18

Combine like terms: 3x + 4x = 7x
-5 + 7x = 18

Solving
-5 + 7x = 18

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 + 7x = 18 + 5

Combine like terms: -5 + 5 = 0
0 + 7x = 18 + 5
7x = 18 + 5

Combine like terms: 18 + 5 = 23
7x = 23

Divide each side by '7'.
x = 3.285714286

Simplifying
x = 3.285714286

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