9/23 algebraic proofs

Last updated over 1 year ago
8 questions
12.5

match the proof reason to the correct step.

Draggable itemCorresponding Item
x = 4
given
3x + 4 = 16
subtraction
3x = 12
division
12.5

Match the proof reason to the correct step.

Draggable itemCorresponding Item
21=3x
given
7=x
subtraction
4x-3=7x-24
addition
-3=3x-24
division
x=7
symmetric
12.5

match the proof reasons to the correct step.

Draggable itemCorresponding Item
x = 3
given
+4(2x+1) = 28
distributive
8x = 24
subtraction
8x + 4 = 28
division
12.5

match the proof reason to the correct step.

Draggable itemCorresponding Item
x = 10
given
3x-2=28
addition
3x = 30
division
12.5

match the proof reason to the correct step.

Draggable itemCorresponding Item
x = 5
given
2x+3=5x-12
subtraction
-3x = -15
subtraction
2x=5x-15
division
12.5

match the proof reason to the correct step.

Draggable itemCorresponding Item
20x=15x40
given
x=8
distributive
5x=40
subtraction
20x+8=15x+48
subtraction
4(5x+2)=15x+48
division
12.5

Match the proof reason to the correct step.

Draggable itemCorresponding Item
4=y
given
8=2y
subtraction
5=2y-3
addition
10y+5=12y-3
division
y=4
symmetric
12.5

match the proof reason to the correct step.

Draggable itemCorresponding Item
x=7
given
6x+10=12x-32
distribution
-6x=-42
subtraction
-6x+10=-32
subtraction
6x+10=4(3x-8)
division