Answer:
x=-20
Step-by-step explanation:
3x+178=6x+238
-3x=60
x=-20
Answer:
m = 9
Step-by-step explanation:
-2m + 8 + m + 1 = 0
-m + 9 = 0
9 = m
Answer:
a. 2x + 4
Step-by-step explanation:
Four more than twice a number
Let x = unknown number
Four more than twice of x
Twice of x can be written as 2x
Four more than 2x
Four more can be written as + 4
We get 2x + 4
It would be two places to the right of 0 because -3+5=2
Emily is 12, Samantha is 14, and Lauren is 16. Basically all you do to solve this problem is add numbers that are two apart until you find something.
Ex. 2+4+6=12 4+6+8=18 so on and so forth.
