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4 votes
Helpp with bothhhh!!!!!

Helpp with bothhhh!!!!!-example-1
User Doolali
by
4.2k points

2 Answers

2 votes

Answer:

3. a (x=5)

4. -126/25

Explanation:

3. -3x+5=-10

-3x=-10-5

-3x=-15

x=5

4. -(-2 4/5) x 1 4/5

(-14/5) x 9/5

= -126/25

User Jeremy Belolo
by
4.2k points
6 votes

Answer:

3. x = 5

4. -5 1/25

Explanation:

-3x+5=-10

Subtract the 5 from both sides...

-3x = -15

Divide by -3

x = 5

For 4, it's just multiplying.

-2 4/5 in improper form is -14/5

1 4/5 in improper form is 9/5

-14/5 x 9/5 is -126/25

-126/25 can be -5.04 or -5 1/25.

User Nicolas Blanco
by
4.2k points