Solving Equations

Adding

100

X+89=321

What is 232

200

56+32+x=417

What is 329

300

X+43+28+X=728

What is 328.5

400

X+12²=324

What is 180

500

423+28+X=726

What is 275

Subtracting

100

423-X=728

What is 305

200

413-X=524

What is 111

300

X-280=726

What is 446

400

728-213-123=X

What is 387

500

_423-X²=323

What is 10

Dividing

100

X/2=9

What is 18 

200

X/24=2

What is 48

300

X/10=100

What is 10

400

87/X=3

What is 26.1

500

3/X=291

What is 873

Multiplying

100

4x=36

What is 9

200

3X=236

What is 78.67

300

36*10²=X

What is 3600

400

20*34*92=X

What is 62560

500

10/12*16/43=X

What is 40/129