12-5x=21 Solution :

Solve 12-5x=21 equation and find X

Solution :12-5x=21
-5x = 21 - 12
-5x = 9
-5x / -5 = 9 / -5
x = -1.8

For 12-5x=21, group like terms on each side of the equal sign. and isolate the "-5X" term on one side of the equation by adding or subtracting to combine like terms across the equal sign. Finally divide both sides of the equation by the -5 to solve for "x".

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