(1) Answers

z+2.5=5.2-3.2z z+3.2z=5.2-2.5 4.2z=2.7 z=9/14 That's your answer and that's how you work out.

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(1) Answers

z+2.5=5.2-3.2z z+3.2z=5.2-2.5 4.2z=2.7 z=9/14 That's your answer and that's how you work out.

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