Simplify:

6(6k + 7) – 7k

A. -k + 7
B. 6k +7
C. 29k + 42
D. 43k + 42

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

W-16=-12 solve each one step equation plz

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality