This isn't an answer, rather a suggestion. I would use the website desmos to help me. But for future reference I can help you.
f(x) = - x+6 is similar to y=-x+6.
Simply plug in random numbers into the variable x (preferably ones that could fit on your paper like 0,1,2,3...)
x = 9
Step-by-step explanation:
5x - 15 + 2x = 4x + 12
7x - 4x = 12 + 15
3x = 27
x = 9
Answer:
-1
Step-by-step explanation:
Just substitute your variable in:
(2)(3)-7
Simplify:
2*3=6
6-7=-1
-1 is your answer.
-Stay golden :)
Answer:
x= 5 ........................ .......
Let x be the number. x= 2x-17
-x=-17
x=17