Answer:
x=8
Step-by-step explanation:
set up a proportion:
[tex]\frac{20}{4}=\frac{4x-7}{5}[/tex]
simplify:
[tex]5 =\frac{4x-7}{5}[/tex]
now solve this equation for x:
[tex]5 = \frac{4x-7}{5} \\25 = 4x - 7\\32 = 4x\\x = 8[/tex]
