Simplifying Expressions
Simplify the following expression:
-7+x+4.5x
-7+5.5x
Solve for x:
x-15=7
x=22
Solve for z:
7z+2=23
z=3
Solve for z:
2(2z+6)=44
z=8
Solve for x:
4x+8=8x+16
x=-2
Solve for x:
-7(3x+3)=-21x-21
Infinitely many solutions/All real numbers
Simplify the following expression:
8(10x+10y-3)
80x+80y-24
Find the value of x in the equation below:
4x=8
x=2
Solve for c:
-49=2c-29
c=-10
Solve for y:
-4(y+7)=36
x=-16
Solve for x:
-8x+5=-6x+3
x=1
Solve for x:
-5(-4x-5)=-4(-5x-6)
No solution
Write an equivalent expression by distributing the "-" sign outside the parentheses:
-(-8r-8.7)
8r+8.7
Solve for x:
8=x/5
x=40
Solve for x:
-43=x/5-47
x=20
Solve for x:
-5(x-5)+4x-5=21
x=-1
Solve for x:
3x-8+9x=12+7x+20
x=8
Nicole buys ice cream and lemons at the store.
-She pays a total of $18.80.
-She pays $2.52 for the ice cream.
-She buys 4 bags of lemons that each cost the same amount.
Write an equation that could be used to determine x, how much each bag of lemons costs.
4x+2.52=18.8
Write an equivalent expression by distributing the "-" sign outside the parentheses:
-(-4.9b+4c+3.2)
4.9b-4c-3.2
Find the value of x in the equation below:
19.2=x+18.8
x=0.4
Solve for x:
-x/8-11=-2
x=-72
Solve for x:
-4(2x+1)+4x+3=-17
x=4
Solve for x:
-2.2x=-1-0.9(x+9)
x=7
Under her cell phone plan, Anna pays a flat cost of $58 per month and $4 per gigabyte. She wants to keep her bill at $62.40 per month. How many gigabytes of data can she use while staying within her budget?
She can use 1.1 gigabytes.
Rewrite in simplest terms:
7(-8f-2)+10(-5f+7)
-106f+56
Solve for u and simplify your answer:
6=-4/3u
u=-9/2
Solve for x:
-0.4x-1.9=-0.38
x=-3.8
Solve for x:
-4=-8-2(4x+6)-8x
x=-1
Solve for x:
-6x-4-2x=2(x+5)-1
x=-1.3
Amelia took a taxi from her house to the airport. The taxi company charged a pick-up fee of $4.60 plus $0.50 per mile. The total fare was $13.60, not including the tip. Write and solve an equation which can be used to determine m, the number of miles in the taxi ride.
Equation: 0.5m+4.6=13.6
Answer: m=18