180k views
3 votes
Can I have some help with this problem

Can I have some help with this problem-example-1

1 Answer

2 votes
Corresponding measures have the same ratio.
.. (x -1)/4 = (2x +1)/10
.. 5(x -1) = 2(2x +1) . . . . . . multiply by 20
.. 5x -5 = 4x +2 . . . . . . . . eliminate parentheses
.. x = 7 . . . . . . . . . . . . . . . add 5 -4x

x = 7
User Korunos
by
5.9k points