Question 1108825
x = the number


6[3x + (-5)] = 42   {sum of three times a number and -5 is multiplied by 6, answer is 42}
6(3x - 5) = 42   {simplified signs in brackets}
3x - 5 = 7   {divided each side by 6}
3x = 12   {added 5 to each side}
x = 4   {divided each side by 3}


the number is 4
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