Adding 1

Adding 1

Adding 2

Subtracting 1

Subtracting 2

100

(1/2)+(1/x)=

What is (2+x)/2x

100

(1/3)+(1/x)

What is (3+x)/3x

100

(1/2)-(1/x)=

What is (x-2)/2x

100

(1/4)-(1/x)=

What is (x-4)/(4x)

200

(2/x)+(1/x)=

What is 3/x

200

(2/x)+(3/x)

What is 5/x

200

(2/3)-(1/x)=

What is (2x-3)/3x

200

[1/(3x)]-(1/x)=

What is -2/(3x)

300

(3/4)+(2/x)=

What is (3x+8)/4x

300

(2/5)+(2/x)=

What is (2x+10)/5x

300

[1/(2x)]-(3/x)=

What is -5/(2x)

300

[4/(x+1)]-(2/3)

What is (10-2x)/(3x+3) or (10-2x)/[3(x+1)]

400

[1/(1+x)]+(1/2)=

What is (x+3)/(2+2x) or (x+3)/[2(1+x)]

400

[2/(x+1)]+(1/3)=

What is (x+7)/(3x+3) or (x+7)/[3(x+1)]

400

[1/(x+1)]-(1/2)

What is (1-x)/[2(x+1)] or (1-x)/(2x+2)

400

(9/x)-2=

What is (9-2x)/x

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