Answer:
1 . y = -5x + 15
2. y = -2x - 3
3. x + y = 8
4. -3x + y = 12
Step-by-step explanation:
B. y = mx + b
1. 5x + y =15
5x - 5x + y = -5x + 15 by Subtraction Property of Equality (SPE)
y = -5x + 15
2. 4x + 2y = -6
4x - 4x + 2y = -4x + (-6) by SPE
2y = -4x - 6 then divide both sides by 2
y = -2x - 3
C. Ax + By = C
3. y= -x + 8
y + x = -x + x + 8 by Addition Property of Equality (APE)
y + x = 8 or x + y = 8
4. y = 3x + 12
y - 3x= 3x - 3x + 12 by APE
y - 3x = 12 or -3x + y = 12
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Answer:
1 . y = -5x + 15
2. y = -2x - 3
3. x + y = 8
4. -3x + y = 12
Step-by-step explanation:
B. y = mx + b
1. 5x + y =15
5x - 5x + y = -5x + 15 by Subtraction Property of Equality (SPE)
y = -5x + 15
2. 4x + 2y = -6
4x - 4x + 2y = -4x + (-6) by SPE
2y = -4x - 6 then divide both sides by 2
y = -2x - 3
C. Ax + By = C
3. y= -x + 8
y + x = -x + x + 8 by Addition Property of Equality (APE)
y + x = 8 or x + y = 8
4. y = 3x + 12
y - 3x= 3x - 3x + 12 by APE
y - 3x = 12 or -3x + y = 12