Solve this question plz......
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1.let the no be x
3 times x increased by 7 = 3x+7
3 less than 4 times x = 4x-3
= 3x+7= 4x-3
7+3= 4x-3x
10 = x
2. let the consecutive no be x, x+1
x+x+1 = 31
2x+1=31
2x = 31-1
2x= 30
x = 30/2
x=15
x+1= 16
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