Solve for <span>M</span><span> </span><span>by</span><span> </span><span>simplifying</span><span> </span><span>both sides of the</span><span> </span><span>equation</span><span>, then isolating the</span><span> </span><span>variable</span><span>.</span><span>M=<span>−<span>9</span></span></span>
The sqrt(7) part makes it irrational, so the answer is irrational.
If you mean by x over 4 that it is fraction then there is no different between it and divisions
x/4 = -120
x = -120 × 4 ( when division goes to the other side of equal it turns into multiplication)
x = -480
A. -480
