levicorey846
10.12.2020 •
Mathematics
Whoever answers correct I’ll give you a please it’s for a grade
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Ответ:
x=4 so both the answer is 0
Step-by-step explanation:
3x-12=x-4
3x-x=-4+12
2x=8
2x÷2=8÷2
x=4
so
3x-12=4-x
3×4-12=4-4
12-12=4-4
0=0