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Let’s check out your problem:
45
=
2
x
+
y
45=2x+y
45
=
2
x
+
y
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Math Problems
Grade 7
Add and subtract integers
Full solution
Q.
45
=
2
x
+
y
45=2x+y
45
=
2
x
+
y
Isolate y:
Let's isolate
y
y
y
by subtracting
2
x
2x
2
x
from both sides of the equation.
\newline
Calculation:
45
−
2
x
=
y
45 - 2x = y
45
−
2
x
=
y
Express
y
y
y
in terms of
x
x
x
:
Now we have
y
y
y
expressed in terms of
x
x
x
:
y
=
45
−
2
x
y = 45 - 2x
y
=
45
−
2
x
. This is as far as we can go without additional information about
x
x
x
or
y
y
y
.
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