Question

69-(97-x)=45
(697+х)-345=329
Быстрей )

Answer 1

697+x = 329+345
697+x =674
x = 674 - 697
x = -23

Answer 2

69-(97-х)=45
69-45=24
97-24=73
х=73

(697+#)-345=329
345+329=674
697-674=23
=-23