Expression
True or false The following expressions are equivalent: -9h - 4.5 and -0.75(12h-4.5)
False
Solve the equation.
14-3g=32
g=-6
Solve the equation.
6(x-1)=12
x= 3
Solve the inequality. 2y+7>11
y>2
Simplify this expression 3(x+6)-5x+7.
-2x+25
Write the verbal sentence as an equation and solve. Five minus the product of 2 and a number is 7.
5-2x=7
x=-1
Solve the equations.
5+2(x-2)=19
14t-4-9t=31
x=9
t=7
Solve the inequality. 11-4z<-1
z>3
Simplify -4(2k - 6) - 4k
-12k - 24
The sum of half a number, n and 9 is 13. What is the value of n.
n=8
Solve the equations. -5(3n+5)=20
22+4y-14=0
n= -3
y=-2
Solve the inequalities. 3+b/3<7
b<12
This is 3(2a+b-3c)+3b-4a-11c with all terms combined
2a+6b-20c
In which equation is the value of (x-7) less:
2(x-7) = 36 or 3(x-7)= 36
3(x-7)=36
Solve these two equations. 42=18t+4(t+5)
-2(z+12)=6z
t=1 and z=-3
Solve the inequalities.
x/-3 -8≥-3
x≤-15
The length of a rectangle is 8x-3. The width of the rectangle is 2x. The perimeter is 34 cm. Which expressions represent the perimeter?
A. 4(2x+8x-3)=34 B. 2(2x)+2(8x-3)=34
C. 2x+8x-3+2x+8x-3+34
D. 20x-6=34 E. 2x(8x-3)=34
B, C, D
Monica is one year younger than Dave. Dave is one year younger than Amber. The sum of their ages is 33. How old is Dave?
11
What is the solution of the equation:
-3(2x-1)=-21
4
Which solutions, if any, do the inequalities -5(x+4)>10 and x+3<7 have in common?
x<-6 and x<4 So they share solutions less than -6
What are the common solutions, if any, in the inequalities z/-4+3>15 and x+2>11-2x
No solution exists.