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2 answers:
Step-by-step explanation:
i)
2(x+2)=7
2x+4=7
2x=7-4
2x=3
x=3/2
ii)3x + y =8 , y=x
3x + x = 8
4x = 8
x = 2
Answer:
x = 2
Step-by-step explanation:
2(x+2)=7
2x+4=7
2x=7-4
2x=3
x=3/2
3x + y =8 , y=x
3x + x = 8
4x = 8
x = 2
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