10x-21y=-42

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Solution for 10x-21y=-42 equation: 


Simplifying
10x + -21y = -42

Solving
10x + -21y = -42

Solving for variable 'x'.

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

Add '21y' to each side of the equation.
10x + -21y + 21y = -42 + 21y

Combine like terms: -21y + 21y = 0
10x + 0 = -42 + 21y
10x = -42 + 21y

Divide each side by '10'.
x = -4.2 + 2.1y

Simplifying
x = -4.2 + 2.1y

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