Answer:
x = - 4
Step-by-step explanation:
5x + 55 = 35 ( subtract 55 from both sides )
5x = - 20 ( divide both sides by 5 )
x = - 4
Combined is 5 7/8
since 1/2 is equal to 4/8 and then 5 4/8+3/8=5 7/8
Answer:
75 miles
Step-by-step explanation:
cross multiply
1/30 = 2.5/x
x= 2.5 * 30
x=75
Answer:
The value of x is already given to be 5. All you need is to substitute to the equation.

= 6(25)-20
= 150-20
= 130