Solving Equations
2(b+8)=10=4b
Solve for b
b=-1
5(n-2)<4(2n+6)+2
-12<n
3a-5 less than or equal to -2 OR 3a-5 is greater or equal to 13
a<1 or a>6
Jim and Kevin are painting bird houses. Jim painted 8 bird houses which is 5 less than what Kevin painted. How many houses did Kevin paint?
13
m+3/n=p for n
p=m+3/n
-39+8x=5(5x-1)
solve for x
x=-2
5b+20>-2+3b
b>-11
p+4>6 OR 3p is less than or equal to -18
p>2 p< or equal to -6
Trey is limiting his diet to no more than 600 calories per meal. For lunch, he had a can of iced tea and two bowls of soup. The tea had 140 calories. What are the possible number of calories in each bowl of soup?
230 calories or less
r/s=t-9 for r
r=st-9s
7/2x-8=3/x-6
solve for x
x=18
5<7-3h/-4
9<h
-7<4x-3<5
(-1,2)
Find three consecutive even integers such that the sum of twice the smallest number and three times the largest is 42
1) 6
2) 8
3) 10
-3f=g for f
f=g/-3
-y-8+6y=-9+5y+1
solve for y
y = infinite solutions
5>12a-(3-4a)
1/2>a
-5k>-10 AND 3k>-9
(-3,2)
The length of a rectangle is 5 less than twice the width. If the perimeter of the rectangle is 146 centimeters, find the dimensions of the rectangle
w=26
l=47
3x-7y=z for x
x=z-7y/3
2h/3-1/4=1/3
solve for h
h=7/8
3/8n-2<1/5
n<88/15
AND inequalities have a tendency to graph ?
OR inequalities have a tendency to graph?
Together (AND)
Apart (OR)
Ann's grade is the average of four scores: three chapter tests and a final that counts as two chapter tests. She scored 72, 90, and 75 on the chapter tests. What score does she need on the final to have a grade of atleast 80?
Atleast a 81.5
5h-g=jk for h
h=jk-g/5