0.5x+2(15)+3(20)=100

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Solution for 0.5x+2(15)+3(20)=100 equation: 


Simplifying
0.5x + 2(15) + 3(20) = 100

Multiply 2 * 15
0.5x + 30 + 3(20) = 100

Multiply 3 * 20
0.5x + 30 + 60 = 100

Reorder the terms:
30 + 60 + 0.5x = 100

Combine like terms: 30 + 60 = 90
90 + 0.5x = 100

Solving
90 + 0.5x = 100

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + 0.5x = 100 + -90

Combine like terms: 90 + -90 = 0
0 + 0.5x = 100 + -90
0.5x = 100 + -90

Combine like terms: 100 + -90 = 10
0.5x = 10

Divide each side by '0.5'.
x = 20

Simplifying
x = 20

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