You should add them up both of the sides
Answer:
-5092500+12222s
Step-by-step explanation:
99(x-77)=99(x+88)
99x-7623=99x+8712
99x-99x=8712+7623
0=670824.no solution as x becomes 0
Answer:
i think law of contrapositive
Step-by-step explanation:
because it positive sentence about the conclusion