Your answer is zero because you do 4*4=16*3=48*0=zero your answer
hope this helps you
Answer:
9 years
Step-by-step explanation:
Let's call the amount of years x. We can write
42 + x = 3(8 + x)
42 + x = 24 + 3x
2x = 18
x = 9
Okay. So, from the two numbers that are shown right now, x will definitely represent a positive number. What we have to do is the inverse. Basically, we'll do the inverse (opposite of division) and multiply both numbers to find x. 7.85 * 3.14 = 24.649, which rounds to 24.65 if you need to round your answer to the nearest hundredth or 24.6 if you need to round it to the nearest tenth. Or if you can just use the number as it shows up, then the real answer is 24.649
Step-by-step explanation:
There are two commonly recognized beginner methods to solve a system of equations. The first is elimination and the second is substitution. I will go over both of them here.
Substitution:






Elimination:
This method is a bit hard to explain without visual aid, but I'll try my best :)
In elimination you can subtract each value with a common variable from its counterpart in the other equation. For this example, subtract y-y to get 0, -2x - (-5x) to get 3x, and -9 - (-21) to get 12.
Thus,




Hope it helps and lmk if you need more help <3 :D