Question

y = 3x + 3
y = x − 1
Solve with substitution with steps please!

Answer 1

3x+y+3 - eq (1)

x+y+1 - eq(2)

from eq 1

y=3x+3 - eq(3)

substituting eq 3 into eq 2

x+(3x+3)+1

x+3x-3+1

4x-2

4x=2

x=2

put this value in eq 3

y=3(2)+3

y=6+3

y=9

hence,x=2,y=9