1&2 Step Equations
7 - y - y = -1
y = 4
Two numbers have a sum of 66. The first number is twice the second number. Find the two numbers
First number- 44
Second number-22
|x-10|+3=10
x = 17,3
9x - 10 = 5x + 14+4x
No Solution
6p - 2 - 3p = 16
p=6
Three consecutive numbers have a sum of 63. Find the 3 numbers.
20,21,22
|2x-5|+7=4
No Solution
-3x - 13 = -7x + 15
x = 7.
5/6x= 15
x = 18
-23 = -2a -10 +a
a = 13
Mike wants to have a 90 test average in math. He scored a 92,94 and 95 on his first 3 tests. What does he need to score on his 4th test in order to have a 90 average?
He needs to score a 79 on his 4th test.
-4|3+x|-7=-15
x=-1,-5
17 = p -3 -3p
p= -10
Apartment Complex A charges a $800 deposit and then $1000/month. Apartment Complex B charges no deposit, but $1400/month. After how many months will the cost of Apartment Complex A equal the cost of Apartment Complex B.
After 2 months the cost of both apartment Complex's will be the same.
3|4x-4|-8=-2
x = 3/2, 1/2
15x - 2.3 = 177.7
x = 12
n + 5(n-1) = 7
n = 2
The number of students in French class is 30 and is increasing by 2 students per week. The number of students in Spanish class is 72 and is increasing by 1 student per week. How many weeks will it take for the number of students taking Spanish to equal twice the number that are taking French?
It will take 4 weeks for the number of students taking Spanish to equal twice the number of students taking French.
6-|5x+6|=4
x=-4/5, -8/5