-19 -19
4x=8 now since it's saying 4 times x you have to divide each side by 4.
/4 /4
x=2 there you go. now you see that x=2. to check the answer you can plug in 2 for x.
4 times 2+19=27
4 times 2=8 so,
8+19=27
8+19 is 27 so,
27=27.
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They are equations in which you have to use more than more function to solve the problem.
3*-7=29
because you do the opposite
The first step is usually to solve one of the equations for one of the variables.Once you have done this, you can replace the right side of this equation for the variable, in one of the other equations.
To solve for 2 unknown variables you need 2 independent equations. You have only 1.