Inverse Operations
What operation is the inverse of addition?
subtraction
x+3=48
x=45
2x+15=65
x=25
What is the first step in PEMDAS?
Problem in Parenthesis!
What operation is the inverse of subtraction?
Addition
a-10=14
a=24
4x-1==19
x=5
Is the square root of 4 and integer?
yes!
What operation is the inverse of Multiplication?
Division
x/3=12
x=36
x/3+7=26
x=57
Is 10.4 an integer?
no!
What is the Inverse of x2 ?
Square Root!
9x=90
x=10
-5x+13=73
x=-12
translate this expression:
4 more than x
x+4
or
4+x
How do you solve an equation with a fraction coefficient?
Multiply by the reciprocal
or
Flip the fraction and Multiply!
x2=144
x=12
x2+6=55
x=7
Translate the expression: The product of 5 and y
5y