7x+9+3y+4=143

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Solution for 7x+9+3y+4=143 equation:


Simplifying
7x + 9 + 3y + 4 = 143

Reorder the terms:
9 + 4 + 7x + 3y = 143

Combine like terms: 9 + 4 = 13
13 + 7x + 3y = 143

Solving
13 + 7x + 3y = 143

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + 7x + -13 + 3y = 143 + -13

Reorder the terms:
13 + -13 + 7x + 3y = 143 + -13

Combine like terms: 13 + -13 = 0
0 + 7x + 3y = 143 + -13
7x + 3y = 143 + -13

Combine like terms: 143 + -13 = 130
7x + 3y = 130

Add '-3y' to each side of the equation.
7x + 3y + -3y = 130 + -3y

Combine like terms: 3y + -3y = 0
7x + 0 = 130 + -3y
7x = 130 + -3y

Divide each side by '7'.
x = 18.57142857 + -0.4285714286y

Simplifying
x = 18.57142857 + -0.4285714286y

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