Find an explicit formula for the arithmetic sequence 10, -10, -30, -50, ...

Step-by-step explanation:

The formula is subtracting by 20 you can count it so the next - 70

10-20(n-1)

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: