Answer:
23x+2
Step-by-step explanation:
4*5=20
20*x=20
3x+20x=23x
23x+2
Here’s the work to find the equation of the line.
for help with a graph, i suggest using the free graphing app (or website) desmos
the question does not present the options, but this
does not interfere with the resolution
Let
x--------> the number of color copies
y-------> the number of black-and-white copies
we know that
x+y=6--------> equation 1
3x+y <=12------> equation 2
using a graph tool
see the attached figure
the solution is the triangular shaded region
Answer:
6 × (11 - x) = -72 => x = 23
or
6 × (x - 11) = -72 => x = -1
Step-by-step explanation:
there are at least two possibilities, as the "difference between two numbers a and b can be excised as either a-b or b-a.
in any case, just following the sentence
Six times = 6 ×
difference of 11 and a number = 11 - x
is -72 = -72
so,
6 × (11 - x) = -72
and that is true for x = 23
but
the other direction is possible too
6 × (x - 11) = -72
and that is true for x = -1