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3 years ago

Can someone help me 7 + 2h = 3 + 4h

Mathematics

1 answer:

STALIN [3.7K]3 years ago

7 0

h = 2

$7 + 2h = 3 + 4h$

You must isolate the variable to solve using the order of operations, or PEMDAS.

$4 = 2h$

Subtract 3 from both sides of the equation, and subtract 2h from both sides of the equation.

$\frac{4}{2} = h$

Divide both sides of the equation by 2.

$h = 2$

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Step-by-step explanation:

The inverse of a square matrix $A$ is $A^{-1}$ such that

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Consider, $A = \left[\begin{array}{ccc}4&3\\3&6\end{array}\right]$

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Therefore, the inverse of given matrix is

$=\begin{pmatrix}\frac{2}{5}&-\frac{1}{5}\\ -\frac{1}{5}&\frac{4}{15}\end{pmatrix}$

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3 years ago

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$3.2x -9.6 +9.6 = 38.4 +9.6$

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-Then, you divide both sides by 3.2:

$\frac{3.2x}{3.2} = \frac{48}{3.2}$

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