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Q: How do you solve the equation 18 equals three parentheses 3X -6?

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SRY THE Q IS HOW CAN YOU WRITE AND SOLVE: Twenty four is three less than one-third of a number.?

Yes. 3X = 9 ( equation means set as an equality ) In words; three times the variable X is equal to nine. To solve just divide both sides by 3. 3X = 9 X = 3 So, you are saying; 3(3) = 9 and this is proof in the mathematical sense of the statement/equation.

-3/10x = -9Multiply each side by 10x:-3 = -90xDivide each side by -90:x = -3/-90 = 1/30

In your question you have two equations. They are... m + n = 1000 Equation (1) 0.05 + 0.06n = 57 Equation (2) It is a rule of thumb that if you have two equations and two unknowns (the unknowns in this case are "m" and "n") you can solve for them. Also remember if you have three euqations and three unknowns you can solve for them.. four euqations four unknowns... etc.. Ok first take the 2nd equation and solve for "n" 0.05 + 0.06n = 57 0.06n = 56.95 n= 949 and 1/6 Now that you have "n" you can put it into the 1st euqation and solve for "m" m + (5695/6) = 1000 m = 50 and 5/6 Therefore you answers are... n=949.16666 or 949 1/6 or 5695/6 m=50.83333 or 50 5/6 or 305/6