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Q: What is 2a plus 4 equals 8 called?

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2a + 3a + 4 = 5a + 4

a = 1

a = 4

a = 4

x=(-b+sqrt(b^2-4*a*c))/(2a) and (-b-sqrt(b^2-4*a*c))/(2a) (This is called the quadratic formula)

(4, 3)

-4 + 2A = 12 - 15A + A-4 + 2A = 12 - 16A2A = 12 - 16A + 42A = 16 - 16AA = 8 - 8A

12a + 4 - 10a = 2a + 4 or 2*(a + 2)

a = 3a + 4 0 = 2a + 4 2a = -4 a = -2

-2a + 5 = 1 -2a = -5 + 1 -2a = -4 a = -4/-2 a = 2

If: 2a+13 = 5a+1 Then: a = 4

2a+12=8 2a=-4 a=-2 So a is -2.

2a 4 is the same as saying 2*a*4, so if you plug 2 in for a, this equals 16

4

2. 2 plus 2 equals 4 and 2(2)= 4

-4 + 10 + 6a - 2a + 3 9 + 4a

(5a+8) - (2a+4) =3a +4 To do this, simply subtract like terms. 5a-2a=3a and 8-4=4

Rprime= 2q + 2a + 3 Rdoubleprime= 4

-2a - 4 = -16.8 -2a = -12.8 a = -12.8/-2 a = 6.4

4+1=5. Plus 4 equals 9. Plus 77685769844446473 equals 77685769844446482. Plus 3 equals 77685769844446485. Plus 8 equals 77685769844446493. Plus 1 equals 77685769844446494. Plus 9870998342523322424 equals 1064785604097768918. Plus 4 equals 1064785604097768922.

2a*3 = 8+4a 6a = 8+4a 6a-4a = 8 2a = 8 a = 4

Commutative property for addition.

The proof that sin2A plus sin2B plus sin2c equals 4sinAsinBsinC lies in the fact that (sin 2A + sin 2B + sin 2C) = 4 sinA.sinB.sinC.

7a + 4 = 5a + 7 7a = 5a + 3 2a = 3 a = 3/2

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