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pishuonlain [190]
3 years ago
7

Find the solution of the system of equations. -x+3y=9 -x-y=-3

Mathematics
1 answer:
Inessa [10]3 years ago
4 0

Step-by-step explanation:

use the steps of simultaneous

elimination steps

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Multiple Choice! What is the solution to the following equation?
earnstyle [38]
<h3>Given Equation:</h3>

25 - 5x = 5( -x + 5 )

<h3>Solution:</h3>

25 - 5x = -5x + 25

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<h2>Answer:</h2>

<u>Option B. x = 0</u>

<h3>To Check:</h3>

25 - 5x = 5 ( -x + 5 )

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Hence, Verified.

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Como se simplifican las expresiones algebraicas
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Para simplificar cualquier expresión algebraica, las siguientes son las reglas y pasos básicos: Elimine cualquier símbolo de agrupación, como corchetes y paréntesis, multiplicando factores. Usa la regla del exponente para eliminar la agrupación si los términos contienen exponentes. Combina los términos semejantes mediante suma o resta.

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