Put the steps in order to solve the equation: 3n+9+4n=2
(6 points)
Step 1: _ to get _
Step 2: _ to get _
Step 3: _ to get _
Step 1: Combine like terms
3n + 4n + 9 = 2
7n + 9 = 2
Step 2: Isolate the variable term
7n = 2 - 9
7n = -7
Step 3: Solve for n
n = -7/7
n = -1
Step 1: Combine like terms. In this equation, we have two terms with the variable 'n', which are 3n and 4n. So, adding those together we get 7n.
Step 2: Simplify the equation. We can simplify the left side of the equation by combining the constant terms, which are 9 and 0. Adding those together we get 9.
So far, the equation becomes 7n + 9 = 2.
Step 3: Isolate the variable 'n'. To do this, we need to get rid of the constant term (+9) on the left side of the equation. We can achieve this by subtracting 9 from both sides of the equation.
By subtracting 9 from both sides, we get 7n = -7.
Therefore, the final equation is 7n = -7.
Step 1: Combine like terms on the left side of the equation 3n + 4n to get 7n. The equation becomes: 7n + 9 = 2.
Step 2: Subtract 9 from both sides of the equation to isolate the variable term. The equation becomes: 7n = 2 - 9.
Step 3: Simplify the right side of the equation 2 - 9 to get -7. The equation becomes: 7n = -7.