Question

Solve for the variable: m/4.2 =5
A. 25/21
B. -25/21
C. -21
D. 21

Answer 1

\[m = 5*4.2\]

Answer 2

(m/4.2)= 5/1 and cross multiply to solve ans isolate x which gives you D. 21

Answer 3

Mantra: repeat over and over, "what you do on one side you must do on the other."

Answer 4

i mean't multiply. Sorry

Answer 5

thank you.