3+0.45(x)=0.3(x+3)

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Solution for 3+0.45(x)=0.3(x+3) equation: 


Simplifying
3 + 0.45(x) = 0.3(x + 3)

Reorder the terms:
3 + 0.45x = 0.3(3 + x)
3 + 0.45x = (3 * 0.3 + x * 0.3)
3 + 0.45x = (0.9 + 0.3x)

Solving
3 + 0.45x = 0.9 + 0.3x

Solving for variable 'x'.

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

Add '-0.3x' to each side of the equation.
3 + 0.45x + -0.3x = 0.9 + 0.3x + -0.3x

Combine like terms: 0.45x + -0.3x = 0.15x
3 + 0.15x = 0.9 + 0.3x + -0.3x

Combine like terms: 0.3x + -0.3x = 0.0
3 + 0.15x = 0.9 + 0.0
3 + 0.15x = 0.9

Add '-3' to each side of the equation.
3 + -3 + 0.15x = 0.9 + -3

Combine like terms: 3 + -3 = 0
0 + 0.15x = 0.9 + -3
0.15x = 0.9 + -3

Combine like terms: 0.9 + -3 = -2.1
0.15x = -2.1

Divide each side by '0.15'.
x = -14

Simplifying
x = -14

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