What is the common difference d of the sequence? -15, -4, 7, 18, 29

a.11
b. -11
c.12
d. -12

11

Step-by-step explanation:

Note that adding 11 to -15 results in -4; adding 11 to -4 results in 7; and so on.  Thus, the common difference is 11.

answ9x x 3=

step-by-step explanation:

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: