0.8x+0.2(40)=0.65(x+40)

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Solution for 0.8x+0.2(40)=0.65(x+40) equation:


Simplifying
0.8x + 0.2(40) = 0.65(x + 40)

Multiply 0.2 * 40
0.8x + 8 = 0.65(x + 40)

Reorder the terms:
8 + 0.8x = 0.65(x + 40)

Reorder the terms:
8 + 0.8x = 0.65(40 + x)
8 + 0.8x = (40 * 0.65 + x * 0.65)
8 + 0.8x = (26 + 0.65x)

Solving
8 + 0.8x = 26 + 0.65x

Solving for variable 'x'.

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

Add '-0.65x' to each side of the equation.
8 + 0.8x + -0.65x = 26 + 0.65x + -0.65x

Combine like terms: 0.8x + -0.65x = 0.15x
8 + 0.15x = 26 + 0.65x + -0.65x

Combine like terms: 0.65x + -0.65x = 0.00
8 + 0.15x = 26 + 0.00
8 + 0.15x = 26

Add '-8' to each side of the equation.
8 + -8 + 0.15x = 26 + -8

Combine like terms: 8 + -8 = 0
0 + 0.15x = 26 + -8
0.15x = 26 + -8

Combine like terms: 26 + -8 = 18
0.15x = 18

Divide each side by '0.15'.
x = 120

Simplifying
x = 120

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