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For Questions 16 – 18, refer to the problem below. Consider the following set of simultaneous equations. 3x − 4y = −42 (i)

2x + 6y = 50 (ii)

16. If x is made the subject of the formula in equation (ii), then:

A x = 3y + 25 B x = −3y + 25 C x = −6y + 50 D x = −3y − 25

17. If x is eliminated in equation (i) then:

A −13y = −117 B 13y = −117 C 15y = 124

D 16y = 215

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Answer:

Explanation:

For Questions 16 – 18, refer to the problem below. Consider the following set of simultaneous-example-1
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