Decreasing half of a number by 19.7 results in -4.1.
What is the number?
Use the given equation to find the number.
1x-19.7 =-4.1

a = 11 : 4

b = 38

c = 1 for every 6

1 3 5

step-by-step explanation:

i took the test: )

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.