Vocabulary
Write the expression for
2 more than x
2 + x
x/10 = 3
30
Simplify:
3(x+2)
3x + 6
It costs Fred $8 for a toothbrush. Write an equation to show the total amount Fred will spend on a toothbrush.
$8 = t
Write the expression for
double m decreased by 7
2m - 7
8x = 97.6
12.2
Simplify
-4 (m + 9)
-4m - 36
Write an equation for the following:
Four less than a number is twenty.
x-4 = 20
x= 24
Definition of the Distributive property
for any numbers a, b, c, a(b+c) = ab + ac
Write the expression for
5 less than quadruple x
4x - 5
x + 3 2/5 = 8 1/15
4 2/3
Simplify:
3x - 9x
-6x
Kayla can run only a third of the distance Jake can run. Write an equation to show the distance Kayla can run compared to Jake if Jake ran 6.45 miles today.
k/3 = j or k(1/3) = j
k= 2.15 miles
Write the expression for
Twice the sum of a and b
2(a+b)
4x + 3 = 63
15
factor out:
24x + 18
2( 2x + 9) or
3(8x + 6) or
6(4x +3)
It costs $8.95 for a pizza and $2 for a delivery fee. Write an equation for the total amount it would cost to get a pizza delivered. How many pizzas did you get if the total bill was $55.70?
8x + 2 = t
x= 6 pizzas
The number that goes with the variable
Coefficient
Write the expression for
The quotient of triple h and the difference of 8 and z
3h/8-z
3( 6x - 8) = 21
2.5
104x - 78xy
13x (8 - 6y)
2x (52 - 39y)
2/9 of the students in the gym are 6th graders. How many students are in the school if 42 of them are sixth graders?
2/9(t) = s
t=189