Simplify this expressions and find their values if x=4,a=-4,b=-5.
16-7b+4a-5xa
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3
16-7(-5)+4(-4)-5(4)(-4)
16+35-16+80
51+64
115 is answer
16+35-16+80
51+64
115 is answer
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Answered by
0
16-7×-5+4×-4-5×4×-4
16+34-16+80
115
16+34-16+80
115
wrong answer is 15
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