Question

решииуравнения. 6877-х=2000+984. а+354=412+48. 29400÷×=700×21. 419+×=209×4

Answer 1

 6877-х=2000+984
-х=2984-6877 (-1)
х==6877-2984
х=3893
а+354=412+48.
а+354=460
а=460-354
а=106
29400÷×=700×21
29400:х=14700
х=29400:14700
х=2

419+×=209×4
419+х=836
х=836-419
х=417