7x+7y+8z=4

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Solution for 7x+7y+8z=4 equation:


Simplifying
7x + 7y + 8z = 4

Solving
7x + 7y + 8z = 4

Solving for variable 'x'.

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

Add '-7y' to each side of the equation.
7x + 7y + -7y + 8z = 4 + -7y

Combine like terms: 7y + -7y = 0
7x + 0 + 8z = 4 + -7y
7x + 8z = 4 + -7y

Add '-8z' to each side of the equation.
7x + 8z + -8z = 4 + -7y + -8z

Combine like terms: 8z + -8z = 0
7x + 0 = 4 + -7y + -8z
7x = 4 + -7y + -8z

Divide each side by '7'.
x = 0.5714285714 + -1y + -1.142857143z

Simplifying
x = 0.5714285714 + -1y + -1.142857143z

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