Sagot :
Step-by-step explanation:
So I was absent in class and didnt get to learn this.. need help :(
no need to tell me answers, just need explaing
Solve the systems of linear equation by (a)graphing; (b)
substitution; (c) elimination
a. {
2x + y = −3
x − 5y = 5
b. {
2x + y = −1
4x + 3y = 3
c. {
7x + 8y = 4
3x − 5y = 27