Answer:
-27 = x
Step-by-step explanation:
4x+27=3x
Subtract 4x from each side
4x-4x+27=3x-4x
27 = -x
Multiply by -1
-27 = x
Answer:
58
Step-by-step explanation:
Just trust me on this. It has got to be 58.
Answer:
0
Step-by-step explanation:
Theres different ways you can solve this but the way I did it both sides were equal to eachother.
8x+15=7
In the statement the phrase the sum of can tell you that it is going to be an addition problem. So 8x ( eight times a number) would be added to the 15, 8x+15. Since its an addition problem the part where it says ' ... is seven', you know that it will all equal 7. So the answer would be 8x+15=7.
Answer:
c
Step-by-step explanation: