Cross multiply.
-90 x = 63
-10x = 7
One more step. Divide both sides by -10
If you never hear of cross multiplying, this is wnat it means:
If a/b = c/d, then bc = ad
How do you solve this equation? The answer is suppose to be -0.7 Thanx for you help. Greatly appreciated
-5x\9=7/18
1 answer