Explanation:
y = 4x+8
y = -7x - 5
4x + 8 = -7x - 5
4x + 7x = -5 - 8
11x = -13
x = -13/11
x = -1.18
y = 4x + 8
y = 4(-1.18) + 8
y = -4.72 + 8
y = 3.28
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