Question

Combine the like terms to create an equivalent expression: 2s+(−4s)=?

Answer 1

Answer:

$2s+\left(-4s\right)=-2s$ is the equivalent expression as $2s+\left(-4s\right)$ is equal to $-2s$.

Step-by-step explanation:

Considering the expression

$2s+\left(-4s\right)$

As we know that

• Like terms are said to be the terms which hold the same variables raised to the same power.

• For example, $3x$ and $2x$ are like terms as they contain the same variable $x$ raised to the same power.

Lets solve the expression

$2s+\left(-4s\right)$

$\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a$

$2s-4s$

$\mathrm{Add\:similar\:terms:}\:2s-4s=-2s$

$-2s$

Therefore,

$2s+\left(-4s\right)=-2s$ is the equivalent expression as $2s+\left(-4s\right)$ is equal to $-2s$.

Keywords: equivalent expression, like terms

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