b 10 +2x=4^5:4
10 +2x = 4^4
10+2x = 256
2x = 256 -10
2x = 246
x = 246: 2
x = 123
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b 10 +2x=4^5:4
10 +2x = 4^4
10+2x = 256
2x = 256 -10
2x = 246
x = 246: 2
x = 123