(D) Find the value of x + 14% - 7, when x = -1
9. fa 4 and b = 5, find the value of 0% + 5% - 30%b + 3ab,
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Step-by-step explanation:
=x+14/100-7
=-19+0.14-7
=-26+0.14
=-25.86
0%+5%-30%b+3ab=5/100-30b/100+3ab
=5/100-30×5/100+3×4×5
=5/100-150/100+60
=5-150+6000/100
=5855/100=58.55
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