Show:
Times
-
+
Find X
Plug in
300

2*2

4

300

30-2

28

300

25+84

A) 100

B) 109

C) 200

B) 109

300

5x+10=180

X=34

300

2(X)-45

X=34; 

-----------------------

2(34)-45=23

500

5*5

25

500

216-147

69

500

50+23

73

500

20x+5=-904; round to the nearest tenth!

X=(-45.5) 

500

5(X)-23

X= 46

-----------------------

5(46)-23=207

800

6*6

36

800

65-45

20

800

7289+29

7318

800

5x+98=3x-56

X=(-77)

800

7(X)=87x+3; and Find X

----    ----

7*?=87x+3


X=77

--------------

X=0.4

1000

8*11

88

1000

6729-2919

3810

1000

7289+29875

37164

1000

33.6=4.8x

X=7
1000

31(X)+392

X=7

--------------

31(7)+392=609

2000

12*12

144

2000

7289089-291933

6997156
2000

967289+29875+37164

1034328

2000

467x+875x+28+858+500=111x+4x+320-874; round to the nearest tenth!

X=1.6

2000

9(X)

X=2

--------------

9(2)=18