<span><span>y = k *x
</span><span>
y=10 ; k=10
10 = 10*x
x = 10/10 = 1</span></span>
x =1
Count the negative signs, if you get an odd number of negative signs, the product is a negative. If you get an even number of negative signs, the product is a positive.
in this case, there are two negatives, the the product is a positive number
Answer:
x=-3
Step-by-step explanation:
-x-20=4x-5
-20=5x-5
-15=5x
x=-3
