naomip0621 naomip0621

17-01-2020
Mathematics

contestada

3х + 5(1 +7x) = 3х – 30

Respuesta :

luke4623 luke4623

17-01-2020

3x + (5+35x) = 3x -30
38x + 5 = 3x -30
38x = 3x -35
35x = -35
x = -1

Answer Link

Chelboy Chelboy

17-01-2020

Answer:-1

Step-by-step explanation:

3x+5(1+7x)=3x-30

Open bracket

3x+5+35x=3x-302

Collect like terms

3x+35x-3x=-30-5

35x=-35

Divide both sides by 35

35x÷35=-35÷35

X=-1

Answer Link

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