For number 3.
You add 8 to both sides as you need to separate the variable
4x-8=32
+8 +8
4x=32
now divide 32 by 4
x=8
for number 4
you use pemdas to multiply the parenthisis
2(x-5)=-20
(2•x)-(2•5)
2x-10=-20
then add 10 to both sides
2x-10=-20
+10 +10
2x=10
divide 10 by two
x=5
Slope is 5
Y intercept is 5
Solve:
5x-y=-5
(Isolate Y by adding y to both sides to get it alone and adding 5 to both sides)
Y=5x+5
We know that slope (m) is w the X so in this case it is 5
And then to find the y intercept we substitute O for X.
Y=5(0)+5
Y=5
Answer:
it is either 2 or 4
Step-by-step explanation: because if you break them apart you will get 2 or 4
Answer:
<h2>A)x=3/2 y=½</h2>
Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about:</h3>
- system of linear equation
- PEMDAS
<h3>let's solve:</h3>
- since y is equal to both equation therefore we can substitute the value of y into the other equation
let's figure out y
- substitute the got value of x into the second equation: y=3*3/2 -4
- simplify multiplication:9/2 -4
- simplify division:4.5-4
- substract:0.5 alternate form:y=½
