2 years ago

Solve the equation: 3 (x + 4) = 2x -- 8

Mathematics

1 answer:

kotegsom [21]2 years ago

5 0

Answer:

x = -20

Step-by-step explanation:

Let me know if you need the work.

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Point M is the midpoint of AB. The coordinates of point A are (-8, 1) and the coordinates of M are (-3,3).

andrew-mc [135]

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<h3> The coordinates of point B are (2, 5)</h3>

Step-by-step explanation:

Point M being midpoint of AB means:

$x_B-x_M=x_M-x_A\qquad\quad\ \wedge\qquad y_B-y_M=y_M-y_A\\\\x_B-(-3)=-3-(-8)\qquad\quad\wedge\quad\quad y_B-3=3-1\\\\x_B=-3+8-3\qquad\qquad\ \wedge\qquad\quad y_B=2+3\\\\x_B=2\qquad\qquad\ \wedge\qquad\qquad y_B=5$

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3 years ago

Solve the equation: 3 (x + 4) = 2x -- 8​

Solve the equation: 3 (x + 4) = 2x -- 8