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Dear Student,
Solution for Q1 is given below. For the remaining questions, kindly post them in a different thread so that our experts can help you!
Q1 a) m+6
Q1 b) y-5
Q1 c) 4t+8 (i.e 4$\times$t+8)
Q1 d) $\frac{2}{3}m$
Q1 e) 3z-5 (i.e 3$\times$z-5)
Q1 f) 4n+4 (i.e 4$\times$n+4)
Regards.