Question

Use substitution to solve the system of equations.
y + x = 3
y = 1.5x + 1

Answer 1

x=0.8, y=2.2 (0.8, 2.2).

Explanation:

y+x=3

y=1.5x+1

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1.5x+1+x=3

2.5x=3-1

2.5x=2

x=2/2.5

x=0.8

y+0.8=3

y=3-0.8

y=2.2