Equation 1
What is the solution to the equation below?
3 + 2x = 6 + x
X= 3
Write an equation and solve
Two less than 3 times a number is the same as the number plus 10.
3x - 2 = x + 10
x= 6
Which of the following is an irrational number?
a. 4/7
b. 61.2
c. -45
d. square root of 17
d. square root of 17
-8(9x + 5)
72x + 40
Tell whether each equation has one, zero, or infinitely many solutions
4(x - 2 ) = 4x + 10
zero solutions
4(5x - 4) = 4x
x = 1
ABS Tech costs: $75 service charge plus $50 an hour
Tech Squad costs: $25 service charge plus $70 an hour
At how many hours of service do the repair services cost the same? Choose the equation you could solve to find out.
a. 75x + 50 = 25x + 70
b. 75x - 50 = 25x - 70
c. 75 + 50x = 25 + 70x
d. (75 + 50)x = (25 + 70)x
C. 75 + 50x = 25 + 70x
Solve.
-25 -(-12)
-13
1/3(12x + 3)
4x + 1
1/2n + 7 = n + 14 /2
Infinitely many solutions
Solve the equation.
5- 1/2x = 5/8x + 2
x = 8/3
A chess club has 500 members but is losing 30 members each year. A computer club has 150 members and is gaining 20 members per year. WRITE AND SOLVE an equation to find the number of years it will take for the two clubs to have the same number of members.
Equation: 500-30x = 150 + 20x
7 years
What makes a function?
Every input has one output
.25( x + 12)
.25x + 3
3x - 14 + 2( x - 9 ) = 2x - 2
one solution
x=10
Solve the equation
1/3( 12 + x) = -8( 6- x )
x= 159/23
Country Carpets charges $22 per square yard for carpeting, and an additional installation fee of $100. City Carpets charges $25 per square yard for the same carpeting, and an additional installation fee of $70. Write and solve an equation to find the number of square yards of carpeting for which the total cost charged by the two companies will be the same.
22x + 100 = 25x + 70
x= 10
What is todays date??
2/11/2022
-8(-5x - 2)
40x + 16
2( x + 12 )= 3x + 24 - x
infinitely many solutions
Solve the equation
7n + 12 = 1/2(14n +24 )
12= 12
Write and solve an equation for the relationship described below.
Four times a number plus three is the same as five plus the number.
4x + 3 = 5 + x
X = 2/3
What kind of pet do I have?
Cat!
4 - (-5)(12x + x - 3) +5
55x + 24
4x + 5 = 9 + 4x
zero solutions