652-х=14+38. b+140+300=770

Question

652-х=14+38. b+140+300=770

Answer 1

652-х=14+38
-х=14+38-652
-х=-600
х=600

b+140+300=770
b=-140-300+770
b=330

Answer 2

652-х=14+38;
652-х=52;
х=652-52;
х=600.
652-600=14+38;
52=52

б+140+300=770;
б+440=770;
б=770-440;
б=330;
330+140+300=770;
770=770.