Question

Plz help me with it

Answer 1

`√(2x + 7) + 1 = √(2x + 14 ) \\ x = 1`

Answer 2

Answer: a. 1

Explanation:

`√(2x+7)+1=√(2x+14)\\\\(√(2x+7)+1)^2=(√(2x+14))^2\\\\2x+7+2√(2x+7)+1=2x+14\\\\2x+8+2√(2x+7)=2x+14\\\\2√(2x+7)=6\\\\√(2x+7)=3\\\\(√(2x+7))^2=(3)^2\\\\2x+7=9\\\\2x=2\\\\x=1\\\\\\Check:\\√(2(1)+7)+1=√(2(1)+14)\\\\\sqrt9+1=\sqrt16\\\\3+1=4\ \checkmark`