Question

2x +45= 186 solve this question

Answer 1

186-45=2x
141=2x
x=141/2
x=70. 5

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Answer 2

$2x + 45 = 186 \\ = 2x = 186 - 45 \\ = 2x = 141 \\ = x = 141 \div 2 \\ = x = 7.5....ans$