5n + 10 = 10
5n = 10 - 10
5n = 0
n = 0
taylor101119: well i thought it was 5*n+5*2=10 i thought n=1 but i'm pretty sure it's the one ontop^
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x^2 + 3x - 2; -x^2 - 3x + 2andx - 1; 1 - x
(5x + 10)(x + 3) or 5. (x + 2)(x + 3) Check with x = (say) 3 so 5 x 5 x 6 = 150; 45 + 75 + 30 = 150 OK
10 + 10 + 10
20 = 400
The statement 10 plus 21 equals 31 in total. It can also be written as 10 + 21 = 31.