The answer is actually 42. Not 20.
You replace each x with 3
5(3)+9(3)
That 3 right next to the five means you multiply not add.
15+27=42
Brainliest my answer if it helps you out?
Answer:-1.5 or -3/2
Step-by-step explanation:
Slope formula- (y2-y1)/(x2-x1
-9–3/8-4
-9+3/8-4
-6/4
-1.5 or -3/2
Answer:
5
Step-by-step explanation:
4+5x=4x+9
-4x -4x
4+x=9
-4 -4
x=5
Let's solve your equation step-by-step'
X-2/5=7
Step 1: Simplify both sides of the equation.
x+-2/5=7
Step 2: Add 2/5 to both sides.
x+-2/5+2/5=7+2/5
x=37/5
Answer
x=37/5
Answer:
550
Step-by-step explanation:
220/4 = 55 miles per hour
55 x 10 hours = 550 miles