430-(x+70)-(3x)=z

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Solution for 430-(x+70)-(3x)=z equation:


Simplifying
430 + -1(x + 70) + -1(3x) = z

Reorder the terms:
430 + -1(70 + x) + -1(3x) = z
430 + (70 * -1 + x * -1) + -1(3x) = z
430 + (-70 + -1x) + -1(3x) = z

Remove parenthesis around (3x)
430 + -70 + -1x + -1 * 3x = z

Multiply -1 * 3
430 + -70 + -1x + -3x = z

Combine like terms: 430 + -70 = 360
360 + -1x + -3x = z

Combine like terms: -1x + -3x = -4x
360 + -4x = z

Solving
360 + -4x = z

Solving for variable 'x'.

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

Add '-360' to each side of the equation.
360 + -360 + -4x = -360 + z

Combine like terms: 360 + -360 = 0
0 + -4x = -360 + z
-4x = -360 + z

Divide each side by '-4'.
x = 90 + -0.25z

Simplifying
x = 90 + -0.25z

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