1. (5m-7bc+2)-(3m+7bc+2)= 5m − 7bc + 2 − (3m + 7bc + 2) = 5m − 7bc + 2 − 3m − 7bc − 2 = 2m − 14bc
3. (2x+3)-2(5x-1)=(7x-1)-2
2x + 3 – 10x + 2 = 7x – 1 – 2
2x – 10x – 7x = – 2 – 1 – 2 – 3
-15x = -8
x = -8/-15
х=0,53333333333
1. (5m-7bc+2)-(3m+7bc+2)= 5m − 7bc + 2 − (3m + 7bc + 2) = 5m − 7bc + 2 − 3m − 7bc − 2 = 2m − 14bc 3. (2x+3)-2(5x-1)=(7x-1)-2 2x + 3 – 10x + 2 = 7x – 1 – 2 2x – 10x – 7x = – 2 – 1 – 2 – 3 -15x = -8 x = -8/-15 х=0,53333333333
1. (5m-7bc+2)-(3m+7bc+2)= 5m − 7bc + 2 − (3m + 7bc + 2) = 5m − 7bc + 2 − 3m − 7bc − 2 = 2m − 14bc
3. (2x+3)-2(5x-1)=(7x-1)-2
2x + 3 – 10x + 2 = 7x – 1 – 2
2x – 10x – 7x = – 2 – 1 – 2 – 3
-15x = -8
x = -8/-15
х=0,53333333333
1. (5m-7bc+2)-(3m+7bc+2)= 5m − 7bc + 2 − (3m + 7bc + 2) = 5m − 7bc + 2 − 3m − 7bc − 2 = 2m − 14bc 3. (2x+3)-2(5x-1)=(7x-1)-2 2x + 3 – 10x + 2 = 7x – 1 – 2 2x – 10x – 7x = – 2 – 1 – 2 – 3 -15x = -8 x = -8/-15 х=0,53333333333