3 years ago

Y=3x-2 Y=-x+6 Soving linear equations by substitution

1 answer:

7 0

Subsitution is subsituting
y=3x-2
y=-x+6
subsitute 3x-2 for y in second equation
3x-2=-x+6
add x to both sides
4x-2=6
add 2 to both sides
4x=8
divide both sides by 4
x=2
subsitute
y=-x+6
y=-2+6
y=4

x=2
y=4

You might be interested in

I need help please help me :(

Anastasy [175]

Answer:

A. 3

Step-by-step explanation:

$\frac{21}{7}$

REMEMBER to MULTIPLY FIRST!!

21 / 7 = 3

7 0

3 years ago

Read 2 more answers

Help pls! Brainliest!

blagie [28]

Answer:

y =-3000x +12000

Step-by-step explanation:

answer is

1) 12000 is the constant therefore when the number of hours is 0 the tickets are 12000

2) the number of tickets (y) are reducing by 3000 for each hour(x). thus the coefficient of variable x should be -3000 (negative because it is reducing)

8 0

3 years ago

Am I right??? Please help me

Hatshy [7]

Function: y = 2x²-5

Find y-intercept:

y = 2(0)²-5

y = -5

Find x-intercept:

2x²-5 = 0

2x² = 5

x² = 2.5