Answer:
x = - 3
Explanation:
y = 3x + 2 → (1)
y = x - 4 → (2)
Subtract (2) from (1) term by term
y - y = 3x - x + 2 - (- 4)
0 = 2x + 2 + 4
0 = 2x + 6 ( subtract 6 from both sides )
- 6 = 2x ( divide both sides by 2 )
- 3 = x
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