3(x+4)=9
3x+12=9
3x=-3
x=-1
Hope this helps :D
C is tevanswer out I think so
Answer:
56cm is not the answer for sure trust me
Step-by-step explanation:
I took the test so dont worry!
1.8 - 0.2x = -1.6 Subtract 1.8 on both sides
1.8 - 1.8 - 0.2x = -1.6 - 1.8
-0.2x = -3.4 Divide -0.2 on both sides

x = 17