9514 1404 393
Answer:
2x +y = 8
Explanation:
The standard form of a linear equation is ...
ax +by = c
where a, b, c are mutually prime and 'a' is positive.
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Eliminating parentheses, we have ...
y +4 = -2x +12
2x +y +4 = 12 . . . . . . add 2x
2x +y = 8 . . . . . . . . . .subtract 4