7x-(-21)=0.7

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Solution for 7x-(-21)=0.7 equation:


Simplifying
7x + -1(-21) = 0.7

Multiply -1 * -21
7x + 21 = 0.7

Reorder the terms:
21 + 7x = 0.7

Solving
21 + 7x = 0.7

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 7x = 0.7 + -21

Combine like terms: 21 + -21 = 0
0 + 7x = 0.7 + -21
7x = 0.7 + -21

Combine like terms: 0.7 + -21 = -20.3
7x = -20.3

Divide each side by '7'.
x = -2.9

Simplifying
x = -2.9

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