Answer:
2/3x+4=7
x=4.5
Step-by-step explanation:
2/3x+4=7
-4 -4
2/3x=3 (multiply by 3/2)
multiply both side by the reciprocal
x=4.5
Answer:
2³·5
Step-by-step explanation:
5·2·2·2 = 2³·5
Exponents are how many a number is multiplied by itself. 2 is multiplied by itself 3 times, so it is 2 to the 3rd power.
C(cost)=6x+9
9 is the cost of three hot dogs
6x represents 6 tickets and their cost
Answer:
-3p-40
Step-by-step explanation:
-(7p+6)-2(-1-2p)
-7p-42+2+4p
-3p-40