Question

if the angles (2x-10) and (x-5) are complememtary angles, find x

Answer 1

angles are complementary so (2x-10)+(x-5)=90
so 3x-15=90
3x=105
x=35

Answer 2

x=35

2x-10+x-5=90

3x-15=90

3x=105

x=35