3 years ago

(10x + 3) + (9x - 7) = what

2 answers:

6 0

10x+9x+3+7=0
19x+10=0
19x=-10
X=-10/19

6 0

Note that this is an expression, not an equation. Combining like terms, we get 19x - 4. We cannot solve for x.

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Ivan

<h3>Key points :-</h3>

᪥ The formula to find the 31st term is : $\sf \: a_{n} = a_{1} + (n - 1) \times d$

᪥ In the formula, $\sf \: a_{1}$ represents the first term of the sequence.

᪥ $\sf\:n$ is the number of terms, In our case n is 31.

᪥ $\sf\:d$ is the common difference between the terms, In our case d is 4.

$\green{ \rule{300pt}{3pt}}$

<em>Detailed Solution is attached</em>᭄

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