5x+3x+4+3z=12

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Solution for 5x+3x+4+3z=12 equation:


Simplifying
5x + 3x + 4 + 3z = 12

Reorder the terms:
4 + 5x + 3x + 3z = 12

Combine like terms: 5x + 3x = 8x
4 + 8x + 3z = 12

Solving
4 + 8x + 3z = 12

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + 8x + -4 + 3z = 12 + -4

Reorder the terms:
4 + -4 + 8x + 3z = 12 + -4

Combine like terms: 4 + -4 = 0
0 + 8x + 3z = 12 + -4
8x + 3z = 12 + -4

Combine like terms: 12 + -4 = 8
8x + 3z = 8

Add '-3z' to each side of the equation.
8x + 3z + -3z = 8 + -3z

Combine like terms: 3z + -3z = 0
8x + 0 = 8 + -3z
8x = 8 + -3z

Divide each side by '8'.
x = 1 + -0.375z

Simplifying
x = 1 + -0.375z

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