Question

a) 3(2x + 3) = -3 (-30 +4)

Answer 1

Answer:

3(2x+3)=-3(-30+4)

6x+9=90+12

6x+9=102

6x=93

x=15.5

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Answer 2

Answer:

11½ = x

Step-by-step explanation:

6x + 9 = 78

- 9 - 9

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6x = 69 [Divide by 6]

x = 11½ [3⁄6 = ½]

I hope this helps you out, and as always, I am joyous to assist anyone at any time.