Addition
Subtraction
Multiplication
Division
Decimals
100
x + 4 = 25
x=21
100
x - 2 = 6
x= 8
100
9x = -27
x=-3
100
y/-6 = 2
-12
100
m + 3.7 = 2.4
m=-1.3
200
a + 13 = 10
a=-3
200
d - 7 = -9
d=-2
200
7x = -63
x= -9
200
x/4 = -14
x=-56
200
x - 2.3 = 5.6
x=7.9
300
n + (-8) = -14
n=-6
300
k - (-3) =12
k= 9
300
5e = -400
e= -80
300
x/6 = -6
x= -36
300
1.2=x+0.3
0.9=x
400
x + 36 = -100
x=-136
400
x - 327 = -665
x=-338
400
4x = 100
x= 25
400
20 = a/3
60=a
400
c-(-2.4)=-3.6
c=-6.0
500
-27 = c + 27
-56 = c
500
a - (-163) = -392
a=-555
500
21y = -63
y= -3
500
-3 = x/15
-45=x
500
x-(-7.1)=10.9
x=3.8
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