how do solve 3x-4=8 for solving equations of the form?

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You are looking for the value of x that makes the left side of the equation equal to the right side of the equation.SOMETHING - 4 = 8  (hint...I think it is 12)In our equation, 3x must be the same as 12.3 times SOMETHING = 12 (I think that's 4)In our equation, x must be 4.Let's check.3(4) - 4 (is that equal to) 812 - 4 (is that equal to) 8YES!

3x-4=83x=12x=4