Question

Solve the system of two equations using substitution.
y=2+3x
4x−3y=−16

Answer 1

Substitute y = 2 + 3x into 4x − 3y = −16:

4x − 3(2 + 3x) = −16
4x − 6 − 9x = −16
−5x − 6 = −16
−5x = −10
x = 2

Then y = 2 + 3(2) = 8.

Solution: (x, y) = (2, 8).