Solve Two-Step Linear Equations
7th Grade Math · Flashcards
7TH GRADE MATH · FLASHCARDS
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QUESTION
What is the value of
x
x
x
in
0.4
x
+
1.2
=
3.6
0.4x+1.2=3.6
0.4
x
+
1.2
=
3.6
?
QUESTION
What is the second inverse operation to isolate
x
x
x
in an equation of the form
p
x
+
q
=
r
px+q=r
p
x
+
q
=
r
after subtracting
q
q
q
?
QUESTION
What is the value of
x
x
x
in
3
x
+
5
=
20
3x+5=20
3
x
+
5
=
20
?
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ANSWER
x
=
5
x=5
x
=
5
. Subtract
5
5
5
, then divide by
3
3
3
:
(
20
−
5
)
÷
3
=
5
(20-5)÷3=5
(
20
−
5
)
÷
3
=
5
.
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