Concept:Expand the bracket, collect like terms, then make x the subject.Solution:4x−2(x+5)=−10Expand: −2×x=−2x and −2×5=−10, so 4x−2x−10=−10Collect the x terms: 2x−10=−10Add 10 to both sides: 2x=0Divide both sides by 2: x=0Check: 4(0)−2(0+5)=−10 ✓Answer:Option B (x=0)