0.25(x+3)-0.45(x-3)=0.30

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Solution for 0.25(x+3)-0.45(x-3)=0.30 equation: 


Simplifying
0.25(x + 3) + -0.45(x + -3) = 0.30

Reorder the terms:
0.25(3 + x) + -0.45(x + -3) = 0.30
(3 * 0.25 + x * 0.25) + -0.45(x + -3) = 0.30
(0.75 + 0.25x) + -0.45(x + -3) = 0.30

Reorder the terms:
0.75 + 0.25x + -0.45(-3 + x) = 0.30
0.75 + 0.25x + (-3 * -0.45 + x * -0.45) = 0.30
0.75 + 0.25x + (1.35 + -0.45x) = 0.30

Reorder the terms:
0.75 + 1.35 + 0.25x + -0.45x = 0.30

Combine like terms: 0.75 + 1.35 = 2.1
2.1 + 0.25x + -0.45x = 0.30

Combine like terms: 0.25x + -0.45x = -0.2x
2.1 + -0.2x = 0.30

Solving
2.1 + -0.2x = 0.30

Solving for variable 'x'.

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

Add '-2.1' to each side of the equation.
2.1 + -2.1 + -0.2x = 0.30 + -2.1

Combine like terms: 2.1 + -2.1 = 0.0
0.0 + -0.2x = 0.30 + -2.1
-0.2x = 0.30 + -2.1

Combine like terms: 0.30 + -2.1 = -1.8
-0.2x = -1.8

Divide each side by '-0.2'.
x = 9

Simplifying
x = 9

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