Question

Could someone please help me with this problem?

Answer 1

3x+4(3x−5)=25

Use the distributive property to multiply 4 by 3x−5.

3x+12x−20=25

Combine 3x and 12x to get 15x.

15x−20=25

Add 20 to both sides.

15x=25+20

Add 25 and 20 to get 45.

15x=45

Divide both sides by 15.

x= 45/15

Divide 45 by 15 to get 3.

x=3