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Alenkinab [10]
4 years ago
13

I need help with question 5 and its solve by subtitution

Mathematics
1 answer:
Bingel [31]4 years ago
4 0
Y = 3x + 15
y = 2x + 8

3x + 15 = 2x + 8
-2x -2x
——————-
x + 15 = 8
-15 -15
—————-
x = -7
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