0.5x+2(18)+3(21)=100

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Solution for 0.5x+2(18)+3(21)=100 equation: 


Simplifying
0.5x + 2(18) + 3(21) = 100

Multiply 2 * 18
0.5x + 36 + 3(21) = 100

Multiply 3 * 21
0.5x + 36 + 63 = 100

Reorder the terms:
36 + 63 + 0.5x = 100

Combine like terms: 36 + 63 = 99
99 + 0.5x = 100

Solving
99 + 0.5x = 100

Solving for variable 'x'.

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

Add '-99' to each side of the equation.
99 + -99 + 0.5x = 100 + -99

Combine like terms: 99 + -99 = 0
0 + 0.5x = 100 + -99
0.5x = 100 + -99

Combine like terms: 100 + -99 = 1
0.5x = 1

Divide each side by '0.5'.
x = 2

Simplifying
x = 2

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