bubbles2005 bubbles2005
  • 11-09-2019
  • Mathematics
contestada

Solve for s: 7s + 4(3-5) = 18

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Аноним Аноним
  • 11-09-2019

7s + 4(3-5) = 18

Multiply the bracket by 4

(4)(3)=12

(4)(-5)=-20

7s+12-20=18

7s-8=18

Move -8 to the other side.

Sign changes from -8 to +8

7s-8+8=18+8

7s=18=8

7s=26

Divide both sides by 7

7s/7=26/7

Answer: s=26/7 or s=3 5/7

Answer Link
helloww
helloww helloww
  • 11-09-2019

Answer:

7s+4(3-5)=18

7s+12-20=18

7s=18-12+20

7s=26

s=3.714

Answer Link

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