The lines have equal gradients;
m
Equation of line 2;
y=mx+c
y=
x+c
-15=
+c
c=-11
y=4/5x-11
m
Equation of line 2;
y=mx+c
y=
-15=
c=-11
y=4/5x-11
the length of a rectangle is 2 cm less than 7 times the width.the perimeter is 60 cm. find the width and length
2 answers:
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