Answer:
Step-by-step explanation:
The second equation shows the makeup of y. Put that value for y into the first equation.
-2x + 5(3x + 13) = 13 Remove the brackets.
-2x + 15x + 65 = 13 Subtract 65 from both sides
-2x + 15x = 13 - 65 Combine both the left and right.
+13x = - 52 Divide by 13
x = - 52 / 13
x = - 4
3x + 13 = y
3*(-4) + 13 = y
-12 + 13 = y
y = 1
