If a and b are two digits, then the following fraction (ab0+ab0ab)÷(ab) -1 is equal to.

A.21 B. 1010
C. 110
D. 111
E. 1110

B. 1010

Step-by-step explanation:

Simplify:

Note that:

Therefore:

Correct choice is B.1010

let's solve your equation step-by-step.

4x+2=2x+12

step 1: subtract 2x from both sides.

4x+2−2x=2x+12−2x

2x+2=12

step 2: subtract 2 from both sides.

2x+2−2=12−2

2x=10

step 3: divide both sides by 2.

2x

2

=

10

2

x=5

step-by-step explanation:

42

step-by-step explanation: