2(40)+2x(40)10+3(40)-20=

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Solution for 2(40)+2x(40)10+3(40)-20= equation:


Simplifying
2(40) + 2x(40) * 10 + 3(40) + -20 = 0

Multiply 2 * 40
80 + 2x(40) * 10 + 3(40) + -20 = 0

Reorder the terms for easier multiplication:
80 + 2 * 40 * 10x + 3(40) + -20 = 0

Multiply 2 * 40
80 + 80 * 10x + 3(40) + -20 = 0

Multiply 80 * 10
80 + 800x + 3(40) + -20 = 0

Multiply 3 * 40
80 + 800x + 120 + -20 = 0

Reorder the terms:
80 + 120 + -20 + 800x = 0

Combine like terms: 80 + 120 = 200
200 + -20 + 800x = 0

Combine like terms: 200 + -20 = 180
180 + 800x = 0

Solving
180 + 800x = 0

Solving for variable 'x'.

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

Add '-180' to each side of the equation.
180 + -180 + 800x = 0 + -180

Combine like terms: 180 + -180 = 0
0 + 800x = 0 + -180
800x = 0 + -180

Combine like terms: 0 + -180 = -180
800x = -180

Divide each side by '800'.
x = -0.225

Simplifying
x = -0.225

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