Multiply both sides by the reciprocal (-8/7). You would get 40/7 or 5.71428571
There's more than one way to combine them really
but an obvious one will be
What if this !? Tricky answer : explanation
Let width equal X and length equal X+2. Use algebra 72 = X times X+2
Answer:
3.5
Step-by-step explanation:
we can do proportions
12/16 = 10.5/4x
cross multiply
x = 3.5