275 - ( 113 + x ) + 63 = 158
275 - ( 113 + x ) = 158 -63
275 - ( 113 + x ) = 95
113 + x = 275 - 95
113 + x = 180
x = 180 -113
x = 67
=275−(113+𝑥)+63=158=275−(𝑥+113)+63=158=275−(𝑥+113)+63=158=275−𝑥−113+63=158275−𝑥−113+63=158225−𝑥=158225−𝑥=158−𝑥+225=158−𝑥+225=158-x+225=158−𝑥+225−225=158−225x= 67