Please simplify the expression.
1) 6a - 8c + 3 + 9a -7c
2) 5n + 11 + 10m - 1...
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Mathematics, 18.03.2020 18:30, BreBreDoeCCx
Please simplify the expression.
1) 6a - 8c + 3 + 9a -7c
2) 5n + 11 + 10m - 12n + 20 + 3m + 7p
3) 2x + 3 + 6( y + 7x)
4) 12m - 3( 2n - 5 + m) + 8
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