Question

simultaneous equations if dx is 49 and dy is 56 and d = 7 what is x
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Answer 1

Answer:

(A) x = 7

● Explanation -

# Given -

D = 7

Dx = 49

Dy = -63

# Solution -

Value of x can be calculated by -

x = Dx / D

x = 49 / 7

x = 7

Value of y can be calculated by -

y = Dy / D

y = -63 / 7

y = -9

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