work sheet 4

6x + 1 < 2x + 21 6x + 5 < 3x + 20
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5x – 1 < 2x + 17 7x – 4 < 3x + 20
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Solve the following equations:
x + 5 y = 7 3x + 4 y = 5
2x – 5 y = –1 2x – 4 y = 10
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2x + 5 y = 2 5x – 2 y = –12
3x – 2 y = 3 2x – 3 y = –7
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