3-7(-3x)+8y-4x+3(-4y)-9=

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Solution for 3-7(-3x)+8y-4x+3(-4y)-9= equation:


Simplifying
3 + -7(-3x) + 8y + -4x + 3(-4y) + -9 = 0

Remove parenthesis around (-3x)
3 + -7 * -3x + 8y + -4x + 3(-4y) + -9 = 0

Multiply -7 * -3
3 + 21x + 8y + -4x + 3(-4y) + -9 = 0

Remove parenthesis around (-4y)
3 + 21x + 8y + -4x + 3 * -4y + -9 = 0

Multiply 3 * -4
3 + 21x + 8y + -4x + -12y + -9 = 0

Reorder the terms:
3 + -9 + 21x + -4x + 8y + -12y = 0

Combine like terms: 3 + -9 = -6
-6 + 21x + -4x + 8y + -12y = 0

Combine like terms: 21x + -4x = 17x
-6 + 17x + 8y + -12y = 0

Combine like terms: 8y + -12y = -4y
-6 + 17x + -4y = 0

Solving
-6 + 17x + -4y = 0

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 17x + 6 + -4y = 0 + 6

Reorder the terms:
-6 + 6 + 17x + -4y = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 17x + -4y = 0 + 6
17x + -4y = 0 + 6

Combine like terms: 0 + 6 = 6
17x + -4y = 6

Add '4y' to each side of the equation.
17x + -4y + 4y = 6 + 4y

Combine like terms: -4y + 4y = 0
17x + 0 = 6 + 4y
17x = 6 + 4y

Divide each side by '17'.
x = 0.3529411765 + 0.2352941176y

Simplifying
x = 0.3529411765 + 0.2352941176y

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