Answer:
x = 9
Step-by-step explanation:
take -6 to the other side so you add it to 30 = 36
equation is now 4x = 36
divide 4/4 and 36/4
x = 9
Answer:
40.90
Step-by-step explanation:
I do not know what pen is but if it is dollars then....
Step-by-step explanation:
6t-12+15t | 25+15t
21t-12 | 25+15t
21t-12 < 25+15t
hence proved..
Answer:
9
Step-by-step explanation:
6+x, when x = 3
6+(3)
6+3=9