Simplify the following expression: 2x − 6y + 3x2 + 7y − 14x. 3x2 + 12x + y 3x2 − 12x − y 3x2 − 12x + y 3x2 − 12x − 13y
2 answers:
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1) 3x - 2y = -16 Subtract 3x from both sides
-2y = -3x - 16 Divide both sides by -2
y =
x + 8
2) 9x - 7y = -7 Subtact 9x from both sides
-7y = -8x - 7 Divide both sides by -7
y =
+ 1
3) x - 3y = 6 Subtract x from both sides
-3y = -x + 6 Divide both sides by -3
y =
- 2
-2y = -3x - 16 Divide both sides by -2
y =
2) 9x - 7y = -7 Subtact 9x from both sides
-7y = -8x - 7 Divide both sides by -7
y =
3) x - 3y = 6 Subtract x from both sides
-3y = -x + 6 Divide both sides by -3
y =