x=2*(x*0.7)-40

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Solution for x=2*(x*0.7)-40 equation:


Simplifying
x = 2(x * 0.7) + -40

Reorder the terms for easier multiplication:
x = 2(0.7x) + -40

Remove parenthesis around (0.7x)
x = 2 * 0.7x + -40

Multiply 2 * 0.7
x = 1.4x + -40

Reorder the terms:
x = -40 + 1.4x

Solving
x = -40 + 1.4x

Solving for variable 'x'.

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

Add '-1.4x' to each side of the equation.
x + -1.4x = -40 + 1.4x + -1.4x

Combine like terms: x + -1.4x = -0.4x
-0.4x = -40 + 1.4x + -1.4x

Combine like terms: 1.4x + -1.4x = 0.0
-0.4x = -40 + 0.0
-0.4x = -40

Divide each side by '-0.4'.
x = 100

Simplifying
x = 100

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