258 = 240 + 18
258: 6 = (240 + 18) : 6 = 240 : 6 + 18 : 6 = 40 + 3 = 43
Your answer is 43.
how do i answer that I don't even know that sorry
5(5+x) = 6(6+4)
25+5x = 60
5x = 35
x = 7
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3(3+5) = 4(4+x)
24 = 16 + 4x
4x = 24-16
4x = 8
x = 2