5(x-4)=0.4(3x+4)+5

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Solution for 5(x-4)=0.4(3x+4)+5 equation:


Simplifying
5(x + -4) = 0.4(3x + 4) + 5

Reorder the terms:
5(-4 + x) = 0.4(3x + 4) + 5
(-4 * 5 + x * 5) = 0.4(3x + 4) + 5
(-20 + 5x) = 0.4(3x + 4) + 5

Reorder the terms:
-20 + 5x = 0.4(4 + 3x) + 5
-20 + 5x = (4 * 0.4 + 3x * 0.4) + 5
-20 + 5x = (1.6 + 1.2x) + 5

Reorder the terms:
-20 + 5x = 1.6 + 5 + 1.2x

Combine like terms: 1.6 + 5 = 6.6
-20 + 5x = 6.6 + 1.2x

Solving
-20 + 5x = 6.6 + 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.
-20 + 5x + -1.2x = 6.6 + 1.2x + -1.2x

Combine like terms: 5x + -1.2x = 3.8x
-20 + 3.8x = 6.6 + 1.2x + -1.2x

Combine like terms: 1.2x + -1.2x = 0.0
-20 + 3.8x = 6.6 + 0.0
-20 + 3.8x = 6.6

Add '20' to each side of the equation.
-20 + 20 + 3.8x = 6.6 + 20

Combine like terms: -20 + 20 = 0
0 + 3.8x = 6.6 + 20
3.8x = 6.6 + 20

Combine like terms: 6.6 + 20 = 26.6
3.8x = 26.6

Divide each side by '3.8'.
x = 7

Simplifying
x = 7

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