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5x+9x=224
x=12
x=17
x=16
x=14
5x+1+(13+x)=?5x+1+(13+x)=?5x+1+(13+x)=? x=9
67
67.75
67.125
67.5
68
1+2+3+4+5+6+x+8+9+10+11+12+7+14+15+16+17+18+19+20=190
x=?
13
7
6
8
x+y=5x+y=5x+y=5
y+9=xy+9=xy+9=x
x÷−3.5=yx\div-3.5=yx÷−3.5=y
y=? (a)
x>yx>yx>y
y>3 y<5y>3\ \ \ y<5y>3 y<5
x≥3 x≤7x\ge3\ \ x\le7x≥3 x≤7
x is a prime number
x is a hole number
x is a factor of 42
5
42
30x+5x+3x=114
2
3
(21+12)+(x+y)
x-21=12
y+12=21
x=33
y=?
y=9
x=9
y=33
?????????
xx−x<xx^x-x<xxx−x<x
x=? (a)
0.3+x-x=0.3
true
6x+3x=276x+3x=276x+3x=27
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