Name the relationship: complementary, or supplementary.

See below.

Step-by-step explanation:

1. a and b are supplementary ( they add up to 180 degrees as they are on a straight line).

2,3 and 4 are complementary as in each case a + b = 90 degrees.

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:

idk

step-by-step explanation: