Question

4. Simplify the expressions and find their values, if x is equal to 2:
i) x + 7 + 4 (x - 5)
(11) 36x + 2) + 5x - 7
(in) 2
6x + 5(x - 2)
(IV) 4(2x - 1) + 3x + 11​

Answer 1

1) replace x with 2
2+7+4(2-5)
2+7-12=-3

2) 36(2)+2+5(2)-7
72+2+10-7=77

4) 4(4-1)+6+11
16-4+6+11=29


I can not understand 3 question

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