mamed0796 mamed0796
  • 08-12-2020
  • Mathematics
contestada

solve each equation ​

solve each equation class=

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VectorFundament120
VectorFundament120 VectorFundament120
  • 08-12-2020

1. 20c+5=5c+65

20c-5c=65-5

15c=60

c=4

2. 3(a-5)=-6

3a-15=-6

3a= -6+15

3a = 9

a=3

3.6=3+5(d-2)

6=3+5d-10

6-3+10=5d

13=5d

d= 13/5

4. 5t-9=-3t+7

5t+3t=9+7

8t=16

t=2

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