Answer:
B.
Step-by-step explanation:
Because if you subtract 19x and 18 from each side it wont be 0=0, in other equatins there is infinity solutions
14% because 7/50 divided by 100 equals 14.
Answer:
26
Step-by-step explanation:
5x³ - 21 + 7
x = 2
then:
5x³ - 14
5*2³ -14
5*8 - 14
40 - 14
26
Answer:
x=13
Step-by-step explanation:
We add all the numbers together, and all the variables
6x-78
We move all terms containing x to the left, and all other terms to the right
6x=78
x=78/6
which should equal 13
