2 years ago

What is 3x-12=-15? I need to know

1 answer:

7 0

3x - 12 = -15

Add 12 on both sides.

-12 + 12 = 0

-15 + 12 = -3

The equation is now 3x = -3.

Divide both sides by 3 to isolate the variable.

3x / 3 = x
-3 / 3 = -1

So, x = -1.

You might be interested in

Which ordered pairs make both inequalities true? Check all that apply.

Alex17521 [72]

I JUST TOOK THE TEST AND THE ANSWER IS D

8 0

3 years ago

Read 2 more answers

Hannah says that 2.11 is a rational number. Gus says that 2.11 is a repeating decimal. Who is correct and why?

shusha [124]

Answer

2.11 is rational number Hannah is correct because it doesn't have 3 dots in the end if it is repeating decimal it will be (2.11.......

7 0

3 years ago

Read 2 more answers

F the equation of a circle is (x + 4)2 + (y - 6)2 = 25, its radius is 5

BartSMP [9]

Yes the radius is 5. Is this a true or false question or is there something you forgot to add to it?

3 0

3 years ago

what expression is equivalent to 2x+9-x+3? show your answer is correct by substituting a value for x.

Sedbober [7]

Collect like terms
(2x-x) + (9+3)

Simplify
x+12

4 0

3 years ago

Please I need help <br><br><br> What is X

3241004551 [841]

180=(3x+25)+2x. Soooooo X=31

3 0

3 years ago