220k views
1 vote
Solve for x.

7(x - 3) = 4(x + 5)

User Pedromateo
by
7.6k points

2 Answers

3 votes

the answer is 13 2/3



User Dave Mackintosh
by
8.6k points
4 votes

7(x-3) = 4(x+5)

distribute:

7x-21 = 4x+20

add 21 to both sides

7x = 4x +41

subtract 4x from both sides

3x = 41

divide both sides by 3

x = 41 /3 = 13.67 ( repeating 6's) so it can be 13 2/3 as a fraction

User Anthony Tsivarev
by
8.2k points