Question

check whether the linear equation 3x + 5 = 11 is true for x = -2.​

Answer 1

Answer:

x = ( -2 )

to check whether it is true or not .

put the value of x in given equation , i.e.,

➪ 3x + 5 = 11

➪ 3 * ( -2 ) + 5 = 11

➪ -6 + 5 = 11

➪ -1 = 11

checked ✔︎

hence , the given equation is not true .......

Answer 2

$\huge\underline\mathbb{\red S\pink{O}\purple{L} \blue{UT} \orange{IO}\green{N :}}$

★ Given that,

Check whether the linear equation 3x + 5 = 11 is true for x = -2.

★ Substitute the value in x.

$\tt\:⟹ p(x) = 3x + 5$

$\tt\:⟹ p(x) = - 2$

$\tt\:⟹ 3(- 2) + 5$

$\tt\:⟹ - 6 + 5$

$\tt\:⟹ - 1$

Hence, it is false.

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