WebFree Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step WebTwo numbers r and s sum up to -2 exactly when the average of the two numbers is \frac{1}{2}*-2 = -1. You can also see that the midpoint of r and s corresponds to the axis …
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WebSep 10, 2024 · I am not totally sure about the meaning of “vector parametric equation” and therefore my answer may not be what you want. Consider the system $$\left\{\begin{array}{l}5x+2y+2z=-19\\3x+4y+2z=-7.\end{array}\right.\tag1$$ It is equivalent to $$\left\{\begin{array}{l}5x+2y=-19-2z\\3x+4y=-7-2z.\end{array}\right.$$ So, … WebSep 20, 2024 · 1. Solve the Following equation: 3(x-7)-x=2x-21 a. 7 b. -2 c. infinitely many solutions d. no solution 2. Solve the Following equation: 4=2y=9+2y a. 4 b. -4 c. infinitely … firstpin instargram
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