Solve the system of equations by substitution. y = 2x - 4
y = x + 1

A. No solution

B. (5,6)

C. Infinitely many solutions

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

Solving algebraic equations 2m+3=11