Question

Solve the following system of equations by the substitution method. 8x = 2y + 5 3x = y + 7

Answer 1

2y + 5 = 8x---->2(3x - 7) + 5 = 8x

y + 7 = 3x 6x - 14 + 5 = 8x

6x - 9 = 8x

2x = -9

x = -4.5, y = -20.5