0.05(x+40)-0.04(x-20)=2.3

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Solution for 0.05(x+40)-0.04(x-20)=2.3 equation: 


Simplifying
0.05(x + 40) + -0.04(x + -20) = 2.3

Reorder the terms:
0.05(40 + x) + -0.04(x + -20) = 2.3
(40 * 0.05 + x * 0.05) + -0.04(x + -20) = 2.3
(2 + 0.05x) + -0.04(x + -20) = 2.3

Reorder the terms:
2 + 0.05x + -0.04(-20 + x) = 2.3
2 + 0.05x + (-20 * -0.04 + x * -0.04) = 2.3
2 + 0.05x + (0.8 + -0.04x) = 2.3

Reorder the terms:
2 + 0.8 + 0.05x + -0.04x = 2.3

Combine like terms: 2 + 0.8 = 2.8
2.8 + 0.05x + -0.04x = 2.3

Combine like terms: 0.05x + -0.04x = 0.01x
2.8 + 0.01x = 2.3

Solving
2.8 + 0.01x = 2.3

Solving for variable 'x'.

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

Add '-2.8' to each side of the equation.
2.8 + -2.8 + 0.01x = 2.3 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + 0.01x = 2.3 + -2.8
0.01x = 2.3 + -2.8

Combine like terms: 2.3 + -2.8 = -0.5
0.01x = -0.5

Divide each side by '0.01'.
x = -50

Simplifying
x = -50

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