working with equation 1
next subsitue equation 3 in equation 1
divide by -3
substitute x= -3 in equation 1
You can earn 5 coins What is the slope of the function below? y = 4x +4
1 answer:
You might be interested in
working with equation 1
next subsitue equation 3 in equation 1
divide by -3
substitute x= -3 in equation 1
The labor fee is $13.55 and each quart of oil is $2.25
Step-by-step explanation:
Let,
x be the amount of each quart of oil
y be the amount of labor fee
According to given statement;
5x+y=24.80 Eqn 1
7x+y=29.30 Eqn 2
Subtracting Eqn 1 from Eqn 2
Dividing both sides by 2
Putting x=2.25 in Eqn 1
The labor fee is $13.55 and each quart of oil is $2.25
Keywords: linear equation, subtraction
Learn more about subtraction at:
#LearnwithBrainly
Answer:
Answer: x equals to 2 and -5
Step-by-step explanation:
» Factorise the equation quadratically: