Question

Is (7, 4) a solution of 3x - 4y = 5

yes or no

Answer 1

sub in x=7, and y=4, what does the equation become?

Answer 2

True
replace the equation
\[3(7)-4(4)=5\]
\[5=5\]

So it is true

Answer 3

well replace
\[\Large\frak\ 3(7) - 4(4) = 5\]
\[\Large\frak\ 14- 16 = 5\]

Answer 4

not true

Answer 5

\[21-16=5\]
@Muzzack

Answer 6

im sorry \[\Large\frak\ 21-16\]

Answer 7

I'm going with yes lol Thanks guys.

Answer 8

Anytime @Kemist and @Muzzack was on the right track.