21x-7=70

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Solution for 21x-7=70 equation: 


Simplifying
21x + -7 = 70

Reorder the terms:
-7 + 21x = 70

Solving
-7 + 21x = 70

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 21x = 70 + 7

Combine like terms: -7 + 7 = 0
0 + 21x = 70 + 7
21x = 70 + 7

Combine like terms: 70 + 7 = 77
21x = 77

Divide each side by '21'.
x = 3.666666667

Simplifying
x = 3.666666667

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