Answer: x=19
Step-by-step explanation: 2x+8x-10=180
Step 1: Simplify
2x+8x-10=180
2x+8x+-10=180
(2x+8x)+(-10)=180(combine like terms)
10x+-10=180
10x-10=180
Step 2: Add 10 to both sides
10x-10+10=180+10
10x=190
Step 3: Divide both sides by 10
10x/10=190/10
x=19