Question

Solve the system of linear equations below.

y = -2x + 19
y = x + 7
x = 4, y = 11
x = -12, y = -5
x = -4, y = 3
x = 8, y = 3

Answer 1

y = -2x + 19
y = x + 7

-2x + 19 = x + 7
x + 2x = 19 - 7
3x = 12
x = 4

y = x + 7
y = 4 + 7
y = 11

answer
x = 4, y = 11