Vocabulary
a number that names equal parts of a whole
fraction
solve for x.
x+12=72
x=60
1/2 divided by 1/2
1
86x23
1978
to find the value of an expression
evaluate
solve for x.
2x-3=-7
x=-2
2/3 divided by 9/6
12/18=2/3
883x432
381456
the inverse of any nonzero number written as 1/a. The inverse of a fraction a/b written as b/a.
reciprocal
solve for x.
2x+5=12
x=7/2
2/9 divided by 10/12
20/108=5/27
97x21
2037
a letter that represents an unknown number
variable
11
22/1 divided by 9/10
220/9
43x11
473
a number that is multiplied by a variable
coefficientt
solve for x.
22(x+3)+9-5=32
x=4
1/9 divided by 5/7
7/45
8912x3
26736