Question

use additive inverse to solve 3x+25=56 what do you do first

Answer 1

Subtract a constant from both sides to start getting x by itself. Or another way to put it is add the opposite of the constant.

Answer 2

3x+25=56
-25 -25
3x=31
x=31/3

Answer 3

my answer choices are
a- add 25 to both sides
b- add -25 to both sides
c- add 3 to both sides
d-add -3 to both sides

Answer 4

so what would my answer be

Answer 5

B

Answer 6

What's the opposite of the constant?

Answer 7

i really dont know

Answer 8

Do you know what a constant is?

Answer 9

no

Answer 10

a constant is a number on its own

Answer 11

OK, then we need to start there. A constant is a number that is what it is. There's nothing changing it. It's constantly the same.

A variable is a number that is having something done to it. Like 3x. 3x isn't a 3. It's a 3 times something else. What it really is depends on what that x is. If x is 2, then it's a 6. If x is 3, then it's a 9. It varies, hence variable.

Answer 12

ok so how is the answer b if 56 - 25 is 31 and 56 + 25 is 81

Answer 13

so you -25 to the 56 because your trying to get the x by itself so your subtracting the constant that's on the same side of the variable. the answer is b.

Answer 14

Because of what the question is asking you. It's asking you what you do FIRST, not what the result of doing it is.

Answer 15

ok so you add negative 25 first

Answer 16

Exactly. Because your goal is to get anything with x in it on one side and the constants on the other side.

Answer 17

yes to the 53

Answer 18

ok thanks can yall help me out somemore please witt a couple other problems

Answer 19

Sure.

Answer 20

sure

Answer 21

how do i solve this inequality \[15 <5 - 2 \left( 4m \+7)\]

Answer 22

15< 5 - 2 (4m+7)