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A and B is correct

Step-by-step explanation:

The formula for the area of rectangle is length times width. 5 multiply by 3 is 15.

The formula for the area of triangle is length times width divided by 2. 6 multiply by 5, is 30 and divided by 2 which gives you 15.

Compare these two numbers and it gave you A and B as the correct answers.

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: