10n = 1,000,000
n= 1,000,000 divide by 10
n= 100,000
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10n+12 = 14n-12 10n-14 = -12-12 -4n = -24 n = 6
10n + 3 = 7n + 53n = 2n = 2/3
5m+n = 37 m-2n = 14 => m = 2n+14 Substitute the value of m into the top equation: 5(2n+14)+n = 37 10n+70+n = 37 10n+n = 37-70 11n = -33 Divide both sides by 11 to find the value of n: n = -3 Substitute the value of n into the original equations to find the value of m: Therefore: n = -3 and m = 8
The n is an unknown variable.
so you set it up. 10n+5 divide each side by 5 n=2