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3 years ago

I need help :) please if you know this I would appreciate it if you can help me

Mathematics

1 answer:

elena-14-01-66 [18.8K]3 years ago

3 0

Step-by-step explanation:

2(3x) - 5x = 4

6x - 5x = 4

x = 4

B. -5(x-4)+8x=29

-5x+20+8x=29

3x+20=29

3x=9

x=3

C. 2y=18+2(3-y)

2y=18+6-2y

2y=24-2y

4y=24

y=6

D. c = -b - 11

3c + 6 = 6b

3( -b - 11) +6 = 6b

-3b-33+6=6b

-3b-27=6b

-27=9b

3=b

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