5x-7+4=18

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Solution for 5x-7+4=18 equation: 


Simplifying
5x + -7 + 4 = 18

Reorder the terms:
-7 + 4 + 5x = 18

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

Solving
-3 + 5x = 18

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 5x = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 5x = 18 + 3
5x = 18 + 3

Combine like terms: 18 + 3 = 21
5x = 21

Divide each side by '5'.
x = 4.2

Simplifying
x = 4.2

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