reyese24
reyese24
07-12-2017
Mathematics
contestada
Solve for n: d=3m+7n
Respuesta :
Аноним
Аноним
07-12-2017
Let's solve for n.
d=
3m
+
7n
Step 1: Flip the equation.
3m
+
7n
=d
Step 2: Add -3m to both sides.
3m
+
7n
+
−
3m
=
d+
−
3m
7n
=
d−
3m
Step 3: Divide both sides by 7.
7n/
7
=
d−
3m/
7
n=
1/7
d
+
−3/
7
m
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