Simultaneous Equations - Substitution Method
Name :
Class :
Date :
Mark :
1) Use substitution to solve the following simultaneous equations
a)
x + 3y
x
=
=
22
4
b)
x
x + −7y
= −4
= −46
c)
x + 5y
x
=
=
72
7y
x + 3y
x
=
=
23
y−5
y =
y =
23
6x + 3
x =
2y =
y−6
−2
d)
e)
4x +
f)
5x +
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/8
%
[8]
g)
4x +
3y =
y =
88
2x + 6
h)
4x
5x
+ 2y
+ 6y
=
=
32
54
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Solutions for the assessment Simultaneous Equations - Substitution Method
1) a) x = 4 and y = 6
b) x = −4 and y = 6
c) x = 42 and y = 6
d) x = 2 and y = 7
e) x = 2 and y = 15
f) x = −2 and y = 4
g) x = 7 and y = 20
h) x = 6 and y = 4
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