taejm76
taejm76
21-09-2021
Mathematics
contestada
12x+45+18x-30=180
Solve for x.
Respuesta :
aj2k8430
aj2k8430
21-09-2021
Answer:
5.5
Step-by-step explanation:
Answer Link
4rvkxsvryr
4rvkxsvryr
21-09-2021
12x+45+18x-30=180
We move all terms to the left:
12x+45+18x-30-(180)=0
We add all the numbers together, and all the variables
30x-165=0
We move all terms containing x to the left, all other terms to the right
30x=165
x=165/30
x=5+1/2
Answer Link
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