18-2=99-21-28x

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Solution for 18-2=99-21-28x equation:


Simplifying
18 + -2 = 99 + -21 + -28x

Combine like terms: 18 + -2 = 16
16 = 99 + -21 + -28x

Combine like terms: 99 + -21 = 78
16 = 78 + -28x

Solving
16 = 78 + -28x

Solving for variable 'x'.

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

Add '28x' to each side of the equation.
16 + 28x = 78 + -28x + 28x

Combine like terms: -28x + 28x = 0
16 + 28x = 78 + 0
16 + 28x = 78

Add '-16' to each side of the equation.
16 + -16 + 28x = 78 + -16

Combine like terms: 16 + -16 = 0
0 + 28x = 78 + -16
28x = 78 + -16

Combine like terms: 78 + -16 = 62
28x = 62

Divide each side by '28'.
x = 2.214285714

Simplifying
x = 2.214285714

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