Translating
Twice a number increased by 7 is equal to 25. What is the number?
2x+7=25
Evaluate the expression 3x+2 when x=4
3(4)+2=12+2=14
Simplify using the distributive property:
4(2x+3)
8x+12
3x+5x
8x
3(x+4)
3x+12
The sum of three times a number and 4 is equal to the difference between 22 and the number.
3x+4=22−x
Find the value of 2a squared−b when a=3 and b=5
2(3)squared−5=2(9)−5=18−5=13
Show that the associative property holds:
(x+3)+5=x+(3+5)
(x+3)+5=x+(3+5)
2x+4+7x−3
9x+1
−2(y−5)
−2y+10
Five less than the square of a number is equal to 11.
x squared−5=11
Evaluate m+n/2 when m=10 and n=6
10+6/2=16/2=8
Show the property:
6⋅x=x⋅6
6x=x⋅6
6a−2a+3b−b
4a+2b
5(2a+3b)
10a+15b
A number divided by 3, decreased by 2, equals 6.
x/3 - 2 = 6
5xy-y squared when x=2 and y=3
5(2)(3)−(3)2=30−9=21
y+0=y
True for all real numbers y
xsquared+3x−2xsquared+4x
−xsquared+7x
−4(3x−2y+1)
−12x+8y−4
The product of 4 and a number is 10 more than the number.
4x=x+10
Evaluate the expression x squared+ y squared- z when x=1 y=4 z=5
1 squared + 4 squared−5=1+16−5=12
1/a⋅a=1(where a≠0)
True for all real numbers a≠0
10−3y+4y+2
y+12
(2x+5)(3)
6x+15