Respuesta :
[tex]15 \geq -3x\quad|:(-3)\qquad\vee\qquad \dfrac{2}{5}x \geq -2\quad|\cdot5\\\\\\
-5 \leq x\qquad\vee\qquad 2x \geq -10\quad|:2\\\\\\
-5 \leq x\qquad\vee\qquad x \geq -5\\\\\\x\geq -5\qquad\implies\qquad\boxed{\{x | x \geq -5\}}[/tex]
Answer B.
Answer B.
The solution to the system of equation is {x | x ≥ -5}
Given the systems of inequalities;
15 ≥ -3x
2/5x ≥ -2.
For the inequality 15 ≥ -3x
Swap
-3x ≤ 15
Divide both sides by -3
-3x/-3 ≥ 15/-3
x ≥ - 5
For the inequality 2/5x ≥ -2
2x ≥ -2 * 5
2x≥ -10
x≥ -10/2
x ≥ -5
Hence the solution to the system of equation is {x | x ≥ -5}
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