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Sliva [168]
3 years ago
11

Help me solve for 16 and 17

Mathematics
2 answers:
Oksanka [162]3 years ago
6 0

Hey!

-----------------------------

Question 16:

6 - x = 10

6 + (-x) = 10

6 + (-x) -6 = 10 - 6

-x = 4

-x/-1 = 4/-1

<u>x = -4</u>

-----------------------------

Question 17:

4x + 3 = 9

4x + 3 - 3 = 9 - 3

4x = 6

4x/4 = 6/4

<u>x = 1 1/2</u>

-----------------------------

Hope this helped, good luck!

Makovka662 [10]3 years ago
3 0

Answers:

16. 6-x= 10

move +6 to the other side

sign changes from +6 to -6

6-6-x= 10-6

-x= 4

Mutiply both sides by -1

(-1)(-x)= (-1)(4)

x= -4

17. 4a+3= -9

move +3 to the other side

sign changes from +3 to -3

4a+3-3= -9-3

4a= -12

divide both sides by 4

4a/4= -12/4

a= -3

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