0.75(x-40)=0.35(x+20)+0.35(x+20)

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Solution for 0.75(x-40)=0.35(x+20)+0.35(x+20) equation:


Simplifying
0.75(x + -40) = 0.35(x + 20) + 0.35(x + 20)

Reorder the terms:
0.75(-40 + x) = 0.35(x + 20) + 0.35(x + 20)
(-40 * 0.75 + x * 0.75) = 0.35(x + 20) + 0.35(x + 20)
(-30 + 0.75x) = 0.35(x + 20) + 0.35(x + 20)

Reorder the terms:
-30 + 0.75x = 0.35(20 + x) + 0.35(x + 20)
-30 + 0.75x = (20 * 0.35 + x * 0.35) + 0.35(x + 20)
-30 + 0.75x = (7 + 0.35x) + 0.35(x + 20)

Reorder the terms:
-30 + 0.75x = 7 + 0.35x + 0.35(20 + x)
-30 + 0.75x = 7 + 0.35x + (20 * 0.35 + x * 0.35)
-30 + 0.75x = 7 + 0.35x + (7 + 0.35x)

Reorder the terms:
-30 + 0.75x = 7 + 7 + 0.35x + 0.35x

Combine like terms: 7 + 7 = 14
-30 + 0.75x = 14 + 0.35x + 0.35x

Combine like terms: 0.35x + 0.35x = 0.7x
-30 + 0.75x = 14 + 0.7x

Solving
-30 + 0.75x = 14 + 0.7x

Solving for variable 'x'.

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

Add '-0.7x' to each side of the equation.
-30 + 0.75x + -0.7x = 14 + 0.7x + -0.7x

Combine like terms: 0.75x + -0.7x = 0.05x
-30 + 0.05x = 14 + 0.7x + -0.7x

Combine like terms: 0.7x + -0.7x = 0.0
-30 + 0.05x = 14 + 0.0
-30 + 0.05x = 14

Add '30' to each side of the equation.
-30 + 30 + 0.05x = 14 + 30

Combine like terms: -30 + 30 = 0
0 + 0.05x = 14 + 30
0.05x = 14 + 30

Combine like terms: 14 + 30 = 44
0.05x = 44

Divide each side by '0.05'.
x = 880

Simplifying
x = 880

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