Angelaroland186
Angelaroland186
19-08-2017
Mathematics
contestada
Evaluate 9u-2z if u = 7 and z =-1
Respuesta :
Jefrafra
Jefrafra
19-08-2017
To solve problems where we already know the value of the variables, we must simply substitute in that value for every presence of the variable.
=9u-2z
=9(7)-2(-1)
=63-⁻2
=65
Using the math above, we can see that this equation equals
65
.
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