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2 votes
V = 5x + 2y

x= 3
y=-4
a) Work out the value of V.
I
b) Expand 3p(p + 5)
c) Solve 4(k - 6) = 20

1 Answer

2 votes
a:
Insert x and y values.
V = 5(3) + 2(-4)
V = 15 - 8
V = 7

b:
Distribute term in expression.
3p^2 + 15p

c:
4k - 24 = 20
4k = 44
k = 11
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