Substitution with directed numbers.
1).Given that x= 2, y= -4 and z= -3 work out a value for 5x - 2y - 3z again replacing the letters with the values that they have been assigned to
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Step-by-step explanation:
5x-2y-3z
X=2. y= -4 z= -3
5(2)-2(-4)-3(-3)
10+8+9
27
27 9s the answer
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