Question

5. 26 = y + x

y = x

6. y = 2x + 7
y=-3x - 23

Solve each system of equations by substitution

Answer 1

5.step 1

26=y+x

y=x

26=x+x

26=2x

then x=13

6.substitute y with the given equation equal to y the equate them with the first one and collect like terms the find x