154k views
4 votes
Solve for x 7(3-x) = 8(4-2x)

User Yasuaki
by
4.7k points

1 Answer

2 votes

Answer:

x = 11/9

Explanation:

Eliminate parentheses, add 16x, subtract 21.

7(3 -x) = 8(4 -2x) . . . . given

21 -7x = 32 -16x . . . . . eliminate parentheses using the distributive property

9x +21 = 32 . . . . . . . . add 16x

9x = 11 . . . . . . . . . . . . subtract 21

x = 11/9 . . . . . . . . . . . .divide by the coefficient of x

User Ratojakuf
by
4.3k points