21x-70=3.5

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Solution for 21x-70=3.5 equation: 


Simplifying
21x + -70 = 3.5

Reorder the terms:
-70 + 21x = 3.5

Solving
-70 + 21x = 3.5

Solving for variable 'x'.

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

Add '70' to each side of the equation.
-70 + 70 + 21x = 3.5 + 70

Combine like terms: -70 + 70 = 0
0 + 21x = 3.5 + 70
21x = 3.5 + 70

Combine like terms: 3.5 + 70 = 73.5
21x = 73.5

Divide each side by '21'.
x = 3.5

Simplifying
x = 3.5

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