Best Answer

-2a - 4 = -16.8

-2a = -12.8

a = -12.8/-2

a = 6.4

Q: What is the answer to -2a minus 4 equals -16.8?

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4

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

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

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

a = 1

Related questions

2a -3 means 2 times a minus 3 if a = 2 we have 2 x 2 - 3 = 4 - 3 = 1

4

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

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

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

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

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

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

a = 1

7 times 4 times 6 equals 168

a = 4

Algebra