Answer:
12) 
11) 
10) 
9) 
8) 
7) 
6) 
5) 
4) 
3) 
2) 
1) 
Step-by-step explanation:
12)
y - 4 = −(x - 4)
y - 4 = −x + 4
+ 4 + 4
__________

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11)
y + 2 = 12(x + 2)
y + 2 = 12x + 24
- 2 - 2
____________

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10)
y - 1 = 5(x - 1)
y - 1 = 5x - 5
+ 1 + 1
_________

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9)
y - 5 = −2(x + 2)
y - 5 = −2x - 4
+ 5 + 5
___________

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8)
y - 5 = 2(x + 2)
y - 5 = 2x + 4
+ 5 + 5
__________

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7)
y + 4 = 12(x - 2)
y + 4 = 12x - 24
- 4 - 4
____________

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6)
4x - 3y = −6
-4x - 4x
__________
−3y = −4x - 6
___ _____
−3 −3

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5)
4x - y = 2
-4x - 4x
_______
−y = −4x + 2

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4)
x - y = 0
______
−y = −x

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3)
7x - 5y = 35
-7x - 7x
_________
−5y = −7x + 35
___ ______
−5 −5

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2)
2x - y = 4
-2x - 2x
_______
−y = −2x + 4

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1)
2x - 3y = 24
-2x - 2x
_________
−3y = −2x + 24
___ _______
−3 −3

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