Question

17. 3(2x - 4) = 28 - 2x
20. 5(2x + 6) = 38 -2 (5x-6)
15. 3x + 2x + 5) = 40
18. 8x + 2(x-2) = 35 - 3x
21. 4y + 8(y-3) = 36 - 3y
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Answer 1

Step-by-step explanation:

17. 3(2x - 4) = 28 - 2x

6x - 4 = 28 - 2x

6x - 2x = 28 - 4

4x = 24

x = 24÷4 = 6

Answer 2

Answer:

3

${3x }^{2} - 8x + 4$