salam4704
12.08.2020 •
Mathematics
Solve for x. Just give the equations.
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Ответ:
15) x=9 16) x=7
Step-by-step explanation:
19(2)=5x-7
38=5x-7
5x=38+7
5x=45
x=45/5
x=9
3x+3=4x-4
3=4x-3x-4
3=x-4
x=3+4
x=7
Ответ: