5x(-3)+3y=21

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Solution for 5x(-3)+3y=21 equation:


Simplifying
5x(-3) + 3y = 21

Reorder the terms for easier multiplication:
5 * -3x + 3y = 21

Multiply 5 * -3
-15x + 3y = 21

Solving
-15x + 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.
-15x + 3y + -3y = 21 + -3y

Combine like terms: 3y + -3y = 0
-15x + 0 = 21 + -3y
-15x = 21 + -3y

Divide each side by '-15'.
x = -1.4 + 0.2y

Simplifying
x = -1.4 + 0.2y

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