Q: What is the answer to 4a-3 equals 2a plus 7?

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

2a+7 is a binomial, because it has two terms (2a and 7).

3.5

The value of a is -7

2a - 7 = -9 2a - 7 + 7 = -9 + 7 2a = -9 +7 2a = -2 2a/2 = -2/2 a = -2/2 a= -1

a = -7 - a So 2a = -7 and a = -3.5

That factors to (2a - 7)(2a + 9)

5a - 5 = 7 + 2a ( subtract 2a from both sides) 3a - 5 = 7 (add 5 to both sides) 3a = 12 ( divide both sides by 3) a = 4

4ab - 2a - 7

x=2ab+7 x= 2(3)(5) +7 x=30+7 x=37

96

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

If I am correct, 9 plus 7 equals 112.

89

It equals 24.

7

It is: 7(2a+3) when factorised

35

28

144

It can be simplified to: 3a^2 +10a+7 or factored as (3a+7)(a+1)

Yes.

It doesn't ! -7 plus -5 equals -12 ! -7 plus 5 equals -2

144

2a + 2b = 26 2b + c = 22 ===> b = 11 - c/2 4c + 2b = 46 ===> b = 23 - 2c From the 2nd and 3rd equations: 11 - c/2 = 23 - 2c 22 - c = 46 - 4c 22 - 46 = -4c + c ===> -24 = -3c ===> c = 8 Substitute c=8 into the 3rd equation: b = 23 - 16 = 7 Substitute b=7 into the 1st equation: 2a + 14 = 26 2a = 12 ===> a = 6

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