.2(5+2x)=4(.3x+.9)

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Solution for .2(5+2x)=4(.3x+.9) equation:


Simplifying
0.2(5 + 2x) = 4(0.3x + 0.9)
(5 * 0.2 + 2x * 0.2) = 4(0.3x + 0.9)
(1 + 0.4x) = 4(0.3x + 0.9)

Reorder the terms:
1 + 0.4x = 4(0.9 + 0.3x)
1 + 0.4x = (0.9 * 4 + 0.3x * 4)
1 + 0.4x = (3.6 + 1.2x)

Solving
1 + 0.4x = 3.6 + 1.2x

Solving for variable 'x'.

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

Add '-1.2x' to each side of the equation.
1 + 0.4x + -1.2x = 3.6 + 1.2x + -1.2x

Combine like terms: 0.4x + -1.2x = -0.8x
1 + -0.8x = 3.6 + 1.2x + -1.2x

Combine like terms: 1.2x + -1.2x = 0.0
1 + -0.8x = 3.6 + 0.0
1 + -0.8x = 3.6

Add '-1' to each side of the equation.
1 + -1 + -0.8x = 3.6 + -1

Combine like terms: 1 + -1 = 0
0 + -0.8x = 3.6 + -1
-0.8x = 3.6 + -1

Combine like terms: 3.6 + -1 = 2.6
-0.8x = 2.6

Divide each side by '-0.8'.
x = -3.25

Simplifying
x = -3.25

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