Solve the following system of equations using the substitution method:
Simplify to get the value of x:
Step 1 :First, substitute the second equation into the first, to get:
Step 2 :This simplifies to:
Step 3 :Which further simplifies to:
Step 4 :Subtracting 8 from both sides, we get:
Step 5 :Dividing both sides by 5, we find that:
Step 6 :Substitute
Step 7 :Simplify to get the value of x: