0.4(4)+x=0.5(4+x)

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Solution for 0.4(4)+x=0.5(4+x) equation:


Simplifying
0.4(4) + x = 0.5(4 + x)

Multiply 0.4 * 4
1.6 + x = 0.5(4 + x)
1.6 + x = (4 * 0.5 + x * 0.5)
1.6 + x = (2 + 0.5x)

Solving
1.6 + x = 2 + 0.5x

Solving for variable 'x'.

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

Add '-0.5x' to each side of the equation.
1.6 + x + -0.5x = 2 + 0.5x + -0.5x

Combine like terms: x + -0.5x = 0.5x
1.6 + 0.5x = 2 + 0.5x + -0.5x

Combine like terms: 0.5x + -0.5x = 0.0
1.6 + 0.5x = 2 + 0.0
1.6 + 0.5x = 2

Add '-1.6' to each side of the equation.
1.6 + -1.6 + 0.5x = 2 + -1.6

Combine like terms: 1.6 + -1.6 = 0.0
0.0 + 0.5x = 2 + -1.6
0.5x = 2 + -1.6

Combine like terms: 2 + -1.6 = 0.4
0.5x = 0.4

Divide each side by '0.5'.
x = 0.8

Simplifying
x = 0.8

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