SOLUTION: Please help me solve: x=-3s x=10-4s to find graphing points

Question 390419: Please help me solve:

x=-3s
x=10-4s
to find graphing points
Answer by haileytucki(390) (Show Source): You can put this solution on YOUR website!
x=-3s,x=10-4s
Replace all occurrences of x with the solution found by solving the last equation for x. In this case, the value substituted is -3s.
x=-3s_(-3s)=-4s+10
Remove the parentheses around the expression -3s.
x=-3s_-3s=-4s+10
Since -4s contains the variable to solve for, move it to the left-hand side of the equation by adding 4s to both sides.
x=-3s_-3s+4s=10
Since -3s and 4s are like terms, subtract 4s from -3s to get s.
x=-3s_s=10
Replace all occurrences of s with the solution found by solving the last equation for s. In this case, the value substituted is 10.
x=-3(10)_s=10
Multiply -3 by each term inside the parentheses.
x=-30_s=10
This is the solution to the system of equations.
x=-30_s=10
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