Grade 10 Mathematics - More Exercises.

Simultaneous equations.

Solve the following simultaneous equations :
OR Solve the following equations by means of elimination :
1.
2.
x + y = 7    and
x − y = 7    and
2x + y = 11
2x + y = 5
3.
x + 2y = 11    and
3x + y = 13
4.
x − 2y = 3    and
2x − y = 18
5.
x − y = 6    and
x + 3y = 2
6.
5x + y = − 9    and
2x + y = 0
7.
2x − 3y = − 6    and
−x + y = 1
8.
8x − 5y =14    and
11x + 2y = 108
9.
5x − y − 2 = 0    and
11x − 6 = 2y
10.
3x − 2y − 3 = 5    and
x + y = 6
11.
x − 4y = 5    and
3x + 6 = 2y
12.
x + 2y + 4 = 0    and
2x − 5y = 19
13.
2x − 3y = 22    and
5x + 4y = 9
14.
7x + 5y + 11 = 0    and
2x − 9y + 14 = −10
15.
3x + 2y + 5 = 0    and
4x + 3y + 6 = 0
16.
8x − 5y − 57 = 0    and
3x + 7y + 23 = 0
17.
7x − 3y + 5 = 0    and
11x − 5y + 17 = 10
18.
3x − 11y = 37    and
5x − 2y = 29
19.
10x + 2y = 17    and
5x + 4y = 16
20.
5x − 2y = 0,6    and
2x + y = 3,3
21.
2x + y = 0,2    and
3x + 2y = 0
22.
5x + 2y = 12,8    and
16x − 3y = 9
23.
8x + 2y = 3    and
6x − 3y = 0
24.
2x − 5y = 1    and
5x + 4y = 9,1
  
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