21x-11-4=18

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Solution for 21x-11-4=18 equation:


Simplifying
21x + -11 + -4 = 18

Reorder the terms:
-11 + -4 + 21x = 18

Combine like terms: -11 + -4 = -15
-15 + 21x = 18

Solving
-15 + 21x = 18

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 21x = 18 + 15

Combine like terms: -15 + 15 = 0
0 + 21x = 18 + 15
21x = 18 + 15

Combine like terms: 18 + 15 = 33
21x = 33

Divide each side by '21'.
x = 1.571428571

Simplifying
x = 1.571428571

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