7x+9+9x-1=3x+4y

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Solution for 7x+9+9x-1=3x+4y equation:


Simplifying
7x + 9 + 9x + -1 = 3x + 4y

Reorder the terms:
9 + -1 + 7x + 9x = 3x + 4y

Combine like terms: 9 + -1 = 8
8 + 7x + 9x = 3x + 4y

Combine like terms: 7x + 9x = 16x
8 + 16x = 3x + 4y

Solving
8 + 16x = 3x + 4y

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
8 + 16x + -3x = 3x + -3x + 4y

Combine like terms: 16x + -3x = 13x
8 + 13x = 3x + -3x + 4y

Combine like terms: 3x + -3x = 0
8 + 13x = 0 + 4y
8 + 13x = 4y

Add '-8' to each side of the equation.
8 + -8 + 13x = -8 + 4y

Combine like terms: 8 + -8 = 0
0 + 13x = -8 + 4y
13x = -8 + 4y

Divide each side by '13'.
x = -0.6153846154 + 0.3076923077y

Simplifying
x = -0.6153846154 + 0.3076923077y

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