152k views
5 votes
How do I solve for this equation 8(2x+9)=56

1 Answer

5 votes

Answer:x=-1

Step-by-step explanation:Step by step solution :

Step 1 :

Equation at the end of step 1 :

8 • (2x + 9) - 56 = 0

Step 2 :

Step 3 :

Pulling out like terms :

3.1 Pull out like factors :

16x + 16 = 16 • (x + 1)

Equation at the end of step 3 :

16 • (x + 1) = 0

Step 4 :

Equations which are never true :

4.1 Solve : 16 = 0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

4.2 Solve : x+1 = 0

Subtract 1 from both sides of the equation :

x = -1

One solution was found :

x = -1

User Thomaszter
by
8.0k points

No related questions found