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AveGali [126]
3 years ago
6

Solve for x. 2x + 7 = 15

Mathematics
2 answers:
quester [9]3 years ago
8 0

Answer:

x = 4

Step-by-step explanation:

2x + 7 = 15

Subtract 7 from each side

2x +7-7 = 15-7

2x = 8

Divide by 2

2x/2 = 8/2

x = 4

rosijanka [135]3 years ago
6 0

Answer:

x=7

Step-by-step explanation:

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Emmanuel added two integers Which condition will always give Emmanuel a negative solution when he adds two integers? Both intege
alexgriva [62]

Both integers have negative values

Explanation

Let

x and y represents the number

so, the options are

\begin{gathered} +\text{   +     +} \\ +\text{  +      -} \\ -\text{     +     +} \\ -\text{   +-} \end{gathered}

a) Both integers have negative values Both integers

-x-y=-(x+y)\rightarrow you\text{ will always get a negative number}

b) Both integers have positive values

x+y=+\text{  +  += you will always get a positive number}

c)One integer has a positive value, and one integer has a negative value

\begin{gathered} -x+y\text{  or x-y} \\ the\text{ sign of the result depends on the greates absolute value, it means the answer will have the same of the bigger number( absolute value)} \end{gathered}

d)The values of the two integers are opposites​

as the point C , the sign depends on the bigger number

for example

\begin{gathered} 8-5=3\text{ positive because 8 is the bigger} \\ 5-8=-3\text{ negative because (-8) is has the bigger absolute value} \end{gathered}

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