One Step Equations
solve. Write your answer as a decimal
x-3.3=-0.5
2.8
Solve -4x+1=17
What is x = -4?
The formula K=5/9(F-32)+273.15 converts temperatures from degrees Fahrenheit F to Kelvin K. An object in a laboratory is cooled to 25 Kelvin. What is the temperature of the object in degrees Celsius?
-248.15
how many solutions does the equation have?
-1/2(6x+7)=-5-3x
none
What do you use to solve multi-step equations?
Inverse operations
Solve
x-12=-5
What is x=7
Solve -3x+32=5
9
Solve
5x-3x-7=13
What is x=10
Solve
4x+5=5+4x
What is infinitely many solutions
What is it called when you flip a fraction?
Reciprocal
Solve
0.09x=-6.3
-70
Solve 5c - 13= -3
What is c=2?
Solve the equation for y.
4y-5x=-8
y=5/4x-2
Solve
3(2.6x-3)=4(-7-2.8x)
-1
What variable should you move first?
The smaller one
Solve
x/5=4
What is x=20
Solve
(x+4)/5=4
What is x = 16?
Solve
-0.5(-2x+8)-8=8
20
Solve
-4(x-2)=9-4x
What is no solution
What is a literal equation?
An equation that has two or more variables
Solve
-x/12=4
What is x=-48
Solve
x/6 +1=4
What is x=18
A rectangle is 4 inches long and 2x inches wide. The value of the perimeter (in inches) is equal to the value of the area (in square inches). Find x.
2
Solve
20-3.8x=-14-5.8x
-17
What is the formula for volume of a rectangular prism
v=lwh