21x-5=7

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Solution for 21x-5=7 equation:


Simplifying
21x + -5 = 7

Reorder the terms:
-5 + 21x = 7

Solving
-5 + 21x = 7

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 + 21x = 7 + 5

Combine like terms: -5 + 5 = 0
0 + 21x = 7 + 5
21x = 7 + 5

Combine like terms: 7 + 5 = 12
21x = 12

Divide each side by '21'.
x = 0.5714285714

Simplifying
x = 0.5714285714

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