You don't, unless you know either the value of x or what the expression equals.
Chat with our AI personalities
3x=12 3x/3=12/3 x=4
3x+4 = 2x-3 3x-2x = -3-4 x = -7
x=4 x=4
12/3 = 4
i dont know what you are trying to solve for, but if you are solving for x and y. u have to...... 3x-4y=4 x= 4/3..... 1.33 y=4/-4...... -1