Solve Real-World System Problems
Middle School Math · Flashcards · Application
MIDDLE SCHOOL MATH · FLASHCARDS
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QUESTION
Identify the solution to the system:
2
x
+
y
=
9
2x+y=9
2
x
+
y
=
9
and
x
+
y
=
6
x+y=6
x
+
y
=
6
.
QUESTION
Find the miles
m
m
m
if the system is
C
=
3
+
2
m
C=3+2m
C
=
3
+
2
m
and
C
=
19
C=19
C
=
19
.
QUESTION
Identify the solution to the system:
2
x
+
3
y
=
12
2x+3y=12
2
x
+
3
y
=
12
and
x
+
3
y
=
9
x+3y=9
x
+
3
y
=
9
.
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ANSWER
(
3
,
2
)
(3,2)
(
3
,
2
)
. Subtract second from first:
x
=
3
x=3
x
=
3
; substitute to get
y
=
2
y=2
y
=
2
.
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