x will represent the first unknow number
6x will represent the second number
the two numbers together will equal 21
6x + x = 21 combine like terms
7x =21 divide both sides by 7
x =3
Hope that helps.
brainliest is always appreciated.
Answer:
sales tax is 1.5
Step-by-step explanation:
151 divided by 8 is 18.875
and 15 divided by 8 is 1.875
(i wasn’t sure if it was 151 or 15 so i just put both)
Answer:
20x
Step-by-step explanation:
Simplify the equation 80(1/4x)
Distribute the 80 to get 20x.
Quarters = x, Dimes = y.
x + y = 42
.25x + .10y = 7.65
Use those equations to find the matrix.
