Question

Simplify each of the following expressions by using algebra discs.

a) x + 2 + 5x -4
b) 2x + ( -3 ) - 3x + 5
c) -x - y - ( -2x ) + 4y
d) -3x - 7y + ( -2y ) - ( -4x )

Answer 1

Answer:

a) 6x-2x= 6/2=3

b) 2x-3-3x+5

-1x+2

x=-1/+2

c) -x-y+2x+4y

+1x+3y

d) -3x-7y-2y+4x

+1y-9y

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