SOLUTION: 1. ax + by = c Solve for x. 2. Four less nine times a number is one hundred twenty-two. Find the original number.

Question 35513This question is from textbook Beginning Algebra
: 1. ax + by = c Solve for x.
2. Four less nine times a number is one hundred twenty-two. Find the original number.

This question is from textbook Beginning Algebra

Answer by Nate(3500) (Show Source): You can put this solution on YOUR website!
1. ax + by = c Solve for x.
ax + by = c original
ax = -by + c subtract by from each side
x = (-by + c)/a divide each side by 'a'
........................................
2. Four less nine times a number is one hundred twenty-two. Find the original number
9x-4=122 original equation
9x = 126 add four
x = 14 divide by nine on each side
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