Multi-Step Equations
x + 5 = -2
-7
x + 3 = -7
-10
Find three consecutive numbers whose sum is 51.
16,17,18
Five more than twice n is 15.
What is 2n + 5 = 15?
A letter that represents an unknown
What is a variable
7x-2=22.5
3.5
3/4 x = 9
12
The product of 2 times the sum of a number and 5 is 18. What is the number?
4
The quotient of t and 5 is 95
What is t/5 = 95?
The "flip" of a fraction. When multiplied together, they equal 1.
What is reciprocal
-4B -5 + 2B = 10
-7.5
7x - 2x - 5 = 15
4
If one third of a number is subtracted from twice the number, the result is 55. What is the number?
33
Six less than two times y equals 14.
What is 2y - 6 = 14?
Two or more terms that can be combined (added or subtracted) because they have the type of variables
What are like terms
(2X/7) + (4/5) = 5
14.7
3(y+ 4) = 15
1
Find three consecutive even integers whose sum is 132.
42, 44, 46
The quotient of 20 and x minus 8 = 4.
What is 20/x - 8 = 4?
A mathematical sentence stating that two expressions are equal. It has an equals sign.
equation
Solve 4(2x-1)=-10(x-5)
x = 3
1/8 x + 3/4 x = 13
104/7 or 14 6/7 or 14.9
Seven less than four times a number equals 13. What is the number?
the number equals 5
Three minus the product of five and y is the same as two times z.
What is 3 - 5y = 2z
A rule for the relationship between certain quantities
formula