-5 is the answer
-20a divided by 4a is -5.
If we times 4a by a positive number, we would get a positive number, so we have to times it by a negative number. The number can't have an a at the end as this would mean when we times it by 4a we would end up with a2
-5 x 4 = -20
then we add on the a = -20a
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It is an expression of two terms as: 4a+12
it means: "does not equal to" it mean that it is not equal to that, like 4a isn't equal to 5g. teehee!
Solve the following equation for A : 2A/3 = 8 + 4A
a = -2-4a/3-2 = 8-4a = 8(3-2) times both sides by (3-2)-4a = 24-16-4a = 8-a = 2 divide both sides by 4a = -2 times both sides by -1
a + 4 = 10(a + 4) - 4 = 10 - 4a = 6