X:4+86-21=70 reshite

Question

X:4+86-21=70 reshite

Answer 1

X :4+86-21=70
X:4 + 65 = 70
X:4 = 70-65
X:4 = 5
X = 5*4
X= 20
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Answer 2

Х:4+86-21=70
х/4+86-21=70
х/4+65=70
х+260=28
х=280-260
х=20