10x+3y=-21

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Solution for 10x+3y=-21 equation: 


Simplifying
10x + 3y = -21

Solving
10x + 3y = -21

Solving for variable 'x'.

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

Add '-3y' to each side of the equation.
10x + 3y + -3y = -21 + -3y

Combine like terms: 3y + -3y = 0
10x + 0 = -21 + -3y
10x = -21 + -3y

Divide each side by '10'.
x = -2.1 + -0.3y

Simplifying
x = -2.1 + -0.3y

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