Back to forum
Desmos Graphing Calculator
Calc
Reference
Copy
Math
·
Algebra
·
Systems of two linear equations in two variables
hard
5
x
−
7
+
4
y
+
8
=
0
3
x
+
4
y
=
0
The solution to the given system of equations is
(
x
,
y
)
. What is the value of
x
+
y
?
A
-12
B
-5
C
-4
D
12
The solution to the given system of equations is \((x,y)\). What is t… | Math SAT Question | Ronan SAT