Question

Solutions to EquationsDetermine which of the following are true statements. Check all that apply

Answer 1

First question.

We must subtitute w=-13 into the given equation:

`(-5(-13)-6)-(-4(-13)+7)=14`

then, we have

`\begin{gathered} (65-6)-(52+7)=14 \\ 59-59=14 \\ 0=14\text{ its an absurd !!} \end{gathered}`

so, the answer is false.

Second question.

We must substitute c=-3 into the given equation:

`-(-3)-3=-2(-3)-6`

which gives

`\begin{gathered} 3-3=6-6 \\ 0=0\text{ thats correct !!} \end{gathered}`

so, the answer is true.

Third question.

We must substitute z=12 into the given equation:

`4(6(12)+7)=2(5(12)+98)`

which gives

`\begin{gathered} 4(72+7)=2(60+98) \\ 4(79)=2(158) \\ 316=316\text{ thats correct!!} \end{gathered}`

so, the answer is true.

Fourth question.

We must substitute y=-5 into the given equation:

`3(-5)+2=4(-5)+7`

which gives

`\begin{gathered} -15+2=-20+7 \\ -13=-13\text{ thats correct !!} \end{gathered}`

so, the answer is true.