Q: 2a -3 plus 4b - 2a -b -3 plus 5?

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3y - 3 = 2y + 5 3y - 2y = 5 + 3 y = 8

x + 3

9x + 5 = 4x + 3 Subtract 4x from both sides: 5x + 5 = 3 Subtract 5 from both sides: 5x = - 2 Divide both sides by 5: x = -2/5 or -0.4

13

-3

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2a-3+4b-2a-b-2a-b-3+5 Can be simplified to: 3b-1

2a + 4b - 52a + 4b - 52a + 4b - 52a + 4b - 5

3a + 4b - 5 - 1a + 7b + 3 - 1b 2a + 10b - 5 + 3 2a + 10b - 2

3b -1

2a-6a-a=b+4b-4b -5a=5b-4b -5a=1b a=-5 b=1

9a +8 -2a -3 -5a = 2a +5

If 3a+5=5a+3, then: 3a+5 - 3a = 5a+3 - 3a 5=2a+3 5 - 3=2a+3 - 3 2=2a a=1

9a +8 -2a -3 -5a = 2a +5

(6a3 - 19a2 + 15a)/(2a - 3) = a(6a2 - 19a + 15)/(2a - 3) = a(2a - 3)(3a -5)/(2a -3) = a(3a - 5)

2a+5a=3 7a=3 a=3/7 or .4286

(a - 5)(a + 3) = a2 - 2a - 15

It is: (2*3)+5 = 11