Answer:
x = 0 and y = 7 or (0,7)
Explanation:
plug -3x + 7 for y
-5x + 2(-3x + 7) = 14
-5x - 6x +14 = 14
-11x = 0
x = 0
now, plug 0 in for x into an equation
y = -3(0) + 7
y = 7
[Answer] x = 0 and y = 7 or (0,7)
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(I have verified my answer on an online calculator)