vf5867 vf5867
  • 23-05-2020
  • Mathematics
contestada

3x+4y=-16 and 5x+5y=-5

Respuesta :

ranau1199
ranau1199 ranau1199
  • 23-05-2020

Answer:

[tex]y=-13,\:x=12[/tex]

Step-by-step explanation:

[tex]\begin{bmatrix}3x+4y=-16\\ 5x+5y=-5\end{bmatrix}\\\\\begin{bmatrix}5\cdot \frac{-16-4y}{3}+5y=-5\end{bmatrix}\\\\[/tex]

[tex]-\frac{80}{3}-\frac{5y}{3}=-5\\y=-13\\\\x=\frac{-16-4\left(-13\right)}{3}\\x=12[/tex]

Answer Link

Otras preguntas

what are gangue ?????​
which ribosome may terminate transcription unit in prokaryotes
Solve the inequality. |2x - 7+ 18 ≥ 30 8 H XX or x ≥ Enter
4. Suppose a firm’s short-run total cost curve is given by TC = 6Q2 + 5Q + 10 a) Derive the ATC, AVC, AFC, and MC functions (8 pts) b) How many units will the f
THINGS FALL APART Compare and contrast how the District Commissioner and his messengers use their power to achieve desired outcomes with how the egwugwu use the
is this a function (1, 8.5)(2, 8)(3, 7.5)(4, 7)(5, 6.5)(6, 6)
1. For each pair of figures, determine whether one is a dilation of the other If so, give the scale factor of the smaller to the larger figure
find sin2theta and cos2theta and tan2theta if cos theta is 1/3 and theta is less than 360 but greater than 270 someone help!!
explain non biodegradable waste​
Determine whether each figure has rotational symmetry. If so, determine the angle of rotation. will give brainliest