100[0.4(x+3)]=0

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Solution for 100[0.4(x+3)]=0 equation:


Simplifying
100[0.4(x + 3)] = 0

Reorder the terms:
100[0.4(3 + x)] = 0
100[(3 * 0.4 + x * 0.4)] = 0
100[(1.2 + 0.4x)] = 0
[1.2 * 100 + 0.4x * 100] = 0
[120 + 40x] = 0

Solving
120 + 40x = 0

Solving for variable 'x'.

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

Add '-120' to each side of the equation.
120 + -120 + 40x = 0 + -120

Combine like terms: 120 + -120 = 0
0 + 40x = 0 + -120
40x = 0 + -120

Combine like terms: 0 + -120 = -120
40x = -120

Divide each side by '40'.
x = -3

Simplifying
x = -3

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