8x-7+5z=30

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Solution for 8x-7+5z=30 equation:


Simplifying
8x + -7 + 5z = 30

Reorder the terms:
-7 + 8x + 5z = 30

Solving
-7 + 8x + 5z = 30

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 8x + 7 + 5z = 30 + 7

Reorder the terms:
-7 + 7 + 8x + 5z = 30 + 7

Combine like terms: -7 + 7 = 0
0 + 8x + 5z = 30 + 7
8x + 5z = 30 + 7

Combine like terms: 30 + 7 = 37
8x + 5z = 37

Add '-5z' to each side of the equation.
8x + 5z + -5z = 37 + -5z

Combine like terms: 5z + -5z = 0
8x + 0 = 37 + -5z
8x = 37 + -5z

Divide each side by '8'.
x = 4.625 + -0.625z

Simplifying
x = 4.625 + -0.625z

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