What is 2x-4y+6+3x-9y-4 ?

The solution to 2x-4y+6+3x-9y-4 is 5x-13y+2

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simplify 2x-4y+6+3x-9y-4

simplify

2 x - 4 y + 6 + 3 x - 9 y - 4

5 x - 13 y + 2

Solution steps

2 x - 4 y + 6 + 3 x - 9 y - 4

Group like terms

= 2 x + 3 x - 4 y - 9 y + 6 - 4

Add similar elements:

2 x + 3 x = 5 x

= 5 x - 4 y - 9 y + 6 - 4

Add similar elements:

- 4 y - 9 y = - 13 y

= 5 x - 13 y + 6 - 4

Subtract the numbers:

6 - 4 = 2

= 5 x - 13 y + 2

\frac{1}{x + y + 3} - \frac{1}{x + 3}

\frac{1}{3} \cdot x

[(- 2)^{2}]^{4}

0 + (- 6)

\frac{sin ^{3} ( x )}{cos ( x )}