4x+30=90
-30 -30
4x=60
X=15
Answer:
-220
Step-by-step explanation:
Answer:
x=1/2 I'm not sure it may be wrong
Answer:
Yes it is very good for establishing identities.
Step-by-step explanation:
Since its a very preferable start it is a very good way to establish identity.
Answer:
2 (15x)
Step-by-step explanation:
I didn't completely get your answer but if you want it in numerical from its here. 2 x (15x.)