Isolate y: 2x-15(20+x)=-1
isolate x: 20-23 = -3
substitute: x = -23
answer: (-23, -3)
The equation of sphere that is centered at origin is <span><span>x^2</span>+<span>y^2</span>+<span>z^2 </span>= <span>1
</span></span><span>Equation is :
(2-4t)^2+(3-6t)^2+(2t)^2=1
</span>
Solution set = <span>3/7 and 1/2. </span>
Its 2.5 20/8 equals this plz mark brainlest
