7(4x-3y+9)-3(2x+5y-4)=

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Solution for 7(4x-3y+9)-3(2x+5y-4)= equation:


Simplifying
7(4x + -3y + 9) + -3(2x + 5y + -4) = 0

Reorder the terms:
7(9 + 4x + -3y) + -3(2x + 5y + -4) = 0
(9 * 7 + 4x * 7 + -3y * 7) + -3(2x + 5y + -4) = 0
(63 + 28x + -21y) + -3(2x + 5y + -4) = 0

Reorder the terms:
63 + 28x + -21y + -3(-4 + 2x + 5y) = 0
63 + 28x + -21y + (-4 * -3 + 2x * -3 + 5y * -3) = 0
63 + 28x + -21y + (12 + -6x + -15y) = 0

Reorder the terms:
63 + 12 + 28x + -6x + -21y + -15y = 0

Combine like terms: 63 + 12 = 75
75 + 28x + -6x + -21y + -15y = 0

Combine like terms: 28x + -6x = 22x
75 + 22x + -21y + -15y = 0

Combine like terms: -21y + -15y = -36y
75 + 22x + -36y = 0

Solving
75 + 22x + -36y = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-75' to each side of the equation.
75 + 22x + -75 + -36y = 0 + -75

Reorder the terms:
75 + -75 + 22x + -36y = 0 + -75

Combine like terms: 75 + -75 = 0
0 + 22x + -36y = 0 + -75
22x + -36y = 0 + -75

Combine like terms: 0 + -75 = -75
22x + -36y = -75

Add '36y' to each side of the equation.
22x + -36y + 36y = -75 + 36y

Combine like terms: -36y + 36y = 0
22x + 0 = -75 + 36y
22x = -75 + 36y

Divide each side by '22'.
x = -3.409090909 + 1.636363636y

Simplifying
x = -3.409090909 + 1.636363636y

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