1. 4x = - y - 7
a. 4x + y = - 7
b. y = - 4x - 7
2. 7 = 3x - y
a. 3x - y = 7
b. y = 3x - 7
3. - 3y = 12 + 4x
a. 4x + 3y = - 12
b. y = (-4/3)x - 4
4. y = (1/2)x - 14
a. x - 2y = 28
b. y = (1/2)x - 14
5. y = 4(x-3)
a. 4x - y = 12
b. y = 4x - 12
Note:
a. for the form of ax + by = c
b. for the form of y = mx + b
Answer:
1.)8
2.)3
3.)9
4.)8
5.)10
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Answers & Comments
1. 4x = - y - 7
a. 4x + y = - 7
b. y = - 4x - 7
2. 7 = 3x - y
a. 3x - y = 7
b. y = 3x - 7
3. - 3y = 12 + 4x
a. 4x + 3y = - 12
b. y = (-4/3)x - 4
4. y = (1/2)x - 14
a. x - 2y = 28
b. y = (1/2)x - 14
5. y = 4(x-3)
a. 4x - y = 12
b. y = 4x - 12
Note:
a. for the form of ax + by = c
b. for the form of y = mx + b
Answer:
1.)8
2.)3
3.)9
4.)8
5.)10