Question

Solve the equation:
1+4+7+10 . . . + x = 287


Chapter :
Arthemetic Progressions.

Answer 1

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

1+4+7+10+x=287

Step 1: Simplify both sides of the equation.

1+4+7+10+x=287

(x)+(1+4+7+10)=287(Combine Like Terms)

x+22=287

x+22=287

Step 2: Subtract 22 from both sides.

x+22−22=287−22

x=265

Answer:

x=265