40=(6x-2.50x)-30

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Solution for 40=(6x-2.50x)-30 equation:


Simplifying
40 = (6x + -2.50x) + -30

Combine like terms: 6x + -2.50x = 3.5x
40 = (3.5x) + -30
40 = (3.5x) + -30

Reorder the terms:
40 = -30 + (3.5x)

Solving
40 = -30 + (3.5x)

Solving for variable 'x'.

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

Add '(-3.5x)' to each side of the equation.
40 + (-3.5x) = -30 + (3.5x) + (-3.5x)

Combine like terms: (3.5x) + (-3.5x) = 0.0
40 + (-3.5x) = -30 + 0.0
40 + (-3.5x) = -30

Add '-40' to each side of the equation.
40 + -40 + (-3.5x) = -30 + -40

Combine like terms: 40 + -40 = 0
0 + (-3.5x) = -30 + -40
(-3.5x) = -30 + -40

Combine like terms: -30 + -40 = -70
(-3.5x) = -70

Divide each side by '-3.5'.
x = 20

Simplifying
x = 20

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