9/23 algebraic proofs - Larry Mooney | Laabri | Nneɛma a ɛma wotumi yɛ ade

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12.5

match the proof reason to the correct step.

Draggable item		Corresponding Item
3x = 12		given
x = 4		subtraction
3x + 4 = 16		division

12.5

12.5

12.5

12.5

match the proof reason to the correct step.

Draggable item		Corresponding Item
2x=5x-15		given
-3x = -15		subtraction
x = 5		subtraction
2x+3=5x-12		division

12.5

12.5

12.5

Match the proof reason to the correct step.

Draggable item		Corresponding Item
x=7		given
21=3x		subtraction
7=x		addition
4x-3=7x-24		division
-3=3x-24		symmetric

match the proof reasons to the correct step.

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

match the proof reason to the correct step.

Draggable item		Corresponding Item
3x = 30		given
x = 10		addition
3x-2=28		division

match the proof reason to the correct step.

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

Match the proof reason to the correct step.

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

match the proof reason to the correct step.

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