x-.7=8.21

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Solution for x-.7=8.21 equation: 


Simplifying
x + -0.7 = 8.21

Reorder the terms:
-0.7 + x = 8.21

Solving
-0.7 + x = 8.21

Solving for variable 'x'.

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

Add '0.7' to each side of the equation.
-0.7 + 0.7 + x = 8.21 + 0.7

Combine like terms: -0.7 + 0.7 = 0.0
0.0 + x = 8.21 + 0.7
x = 8.21 + 0.7

Combine like terms: 8.21 + 0.7 = 8.91
x = 8.91

Simplifying
x = 8.91

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