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serg [7]
3 years ago
15

5a-(8-a)=4a-10 equation:

Mathematics
2 answers:
cluponka [151]3 years ago
7 0
5a-(8-a)=4a-10 \\
5a-8+a=4a-10 \\
6a-8=4a-10 \\
6a-4a=-10+8 \\
2a=-2 \\
a=-1
Iteru [2.4K]3 years ago
7 0
<u />5a-(8-a)=4a-10\ \ \ |Omit\ the\ bracket\\\\&#10;5a-8+a=4a-10\\\\&#10;6a-8=4a-10\ \ \ |Subtract\ 4a\\\\&#10;2a-8=-10\ \ \ |Add\ 8\\\\&#10;2a=-2\ \  |Divide\ by\ 2\\\\&#10;\boxed{a=-1}
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