Answer:

Explanation:
So we have the equation: 

Distribute the -2: 

Combine like terms on the left: 

Subtract 1.8x from both sides. The left cancels: 

Subtract 5 from both sides. The right cancels: 

Divide both sides by 2.6: 

Simplify (multiply both layers by 10 to get rid of the decimal): 

Reduce (divide both layers by 26): 

So, the value of x is 5.