Times
2*2
4
30-2
28
25+84
A) 100
B) 109
C) 200
B) 109
5x+10=180
X=34
2(X)-45
X=34;
-----------------------
2(34)-45=23
5*5
25
216-147
69
50+23
73
20x+5=-904; round to the nearest tenth!
X=(-45.5)
5(X)-23
X= 46
-----------------------
5(46)-23=207
6*6
36
65-45
20
7289+29
7318
5x+98=3x-56
X=(-77)
7(X)=87x+3; and Find X
---- ----
7*?=87x+3
X=77
--------------
X=0.4
8*11
88
6729-2919
3810
7289+29875
37164
33.6=4.8x
31(X)+392
X=7
--------------
31(7)+392=609
12*12
144
7289089-291933
967289+29875+37164
1034328
467x+875x+28+858+500=111x+4x+320-874; round to the nearest tenth!
X=1.6
9(X)
X=2
--------------
9(2)=18