What is expand (4x+7y=-8,0)*3+(3x+5y=-58)*(-4) ?

The solution to expand (4x+7y=-8,0)*3+(3x+5y=-58)*(-4) is 12x+21y=232

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expand (4x+7y=-8,0)3+(3x+5y=-58)(-4)

expand

(4 x + 7 y = - 8, 0) \cdot 3 + (3 x + 5 y = - 58) \cdot (- 4)

12 x + 21 y = 232

Solution steps

(4 x + 7 y = - 8, 0) \cdot 3 + (3 x + 5 y = - 58) (- 4)

= 3 (4 x + 7 = y - 8 \cdot 0,) + (- 4) (3 x + 5 = y - 58)

Expand

3 (4 x + 7 y = - 8, 0) : 3 \cdot 4 x + 3 \cdot 7 y = - 3 \cdot 8, 0

3 \cdot 4 x + 3 \cdot 7 y = - 3 \cdot 8, 0 + (3 x + 5 y = - 58) (- 4)

Expand

(- 4) (3 x + 5 y = - 58) : - 12 x - 20 y = 232

3 \cdot 4 x + 3 \cdot 7 y = - 3 \cdot 8, 0 - 12 x - 20 y = 232

Expand

3 \cdot 4 x + 3 \cdot 7 y : 12 x + 21 y

12 x + 21 y = 232

\frac{x - 3}{( 3 x + 1 ) ( 3 x - 1 )}

e^{3 y} (y - x^{4})

\frac{3 ( x - 2 ) ( x - 1 ) ( x + 1 )}{2}

(2 x y^{2} + y e^{x}) d x + (2 x^{2} y + e^{x}) d y

What is expand (4x+7y=-8,0)*3+(3x+5y=-58)*(-4) ?
The solution to expand (4x+7y=-8,0)*3+(3x+5y=-58)*(-4) is 12x+21y=232