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Equations

 

1.  1_98
A - x=11
B - x=-11
C - x=21
D - x=18

Correct
Wrong

2. 2_144
A - 2
B - 3
C -  2-1_40 2-2_40
D - -2

Correct
Wrong

3.  3_292
A - 8b+36=8b+36 identity or all numbers.
B - -8b-36=-8b-36 identity or all numbers.
C - -8b+36=-8b+36 identity or all numbers.
D - 8b-36=8b-36 identity or all numbers.

Correct
Wrong

4.   4_120
A - a=-0.5
B - a=-0.25
C - a=0.25
D - a=-0.2

Correct
Wrong


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Information: Math >> Algebra >> Equations