Consider the system of equation 2x+3y=8
2x+6y=12
what could be the first step in solving the system of equations using elimination

a. Multiply the first equation by -1
b. Add 4 to both sides of the first equation
c. Add the two equations
d. Multiply the second equation by 2

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

Ineed with number 6 , explain how to get 1978

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?