x+7(2-.4x)+3z=29

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Solution for x+7(2-.4x)+3z=29 equation:


Simplifying
x + 7(2 + -0.4x) + 3z = 29
x + (2 * 7 + -0.4x * 7) + 3z = 29
x + (14 + -2.8x) + 3z = 29

Reorder the terms:
14 + x + -2.8x + 3z = 29

Combine like terms: x + -2.8x = -1.8x
14 + -1.8x + 3z = 29

Solving
14 + -1.8x + 3z = 29

Solving for variable 'x'.

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

Add '-14' to each side of the equation.
14 + -1.8x + -14 + 3z = 29 + -14

Reorder the terms:
14 + -14 + -1.8x + 3z = 29 + -14

Combine like terms: 14 + -14 = 0
0 + -1.8x + 3z = 29 + -14
-1.8x + 3z = 29 + -14

Combine like terms: 29 + -14 = 15
-1.8x + 3z = 15

Add '-3z' to each side of the equation.
-1.8x + 3z + -3z = 15 + -3z

Combine like terms: 3z + -3z = 0
-1.8x + 0 = 15 + -3z
-1.8x = 15 + -3z

Divide each side by '-1.8'.
x = -8.333333333 + 1.666666667z

Simplifying
x = -8.333333333 + 1.666666667z

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