.63(6)+.07x=.21(30+x)

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Solution for .63(6)+.07x=.21(30+x) equation: 


Simplifying
0.63(6) + 0.07x = 0.21(30 + x)

Multiply 0.63 * 6
3.78 + 0.07x = 0.21(30 + x)
3.78 + 0.07x = (30 * 0.21 + x * 0.21)
3.78 + 0.07x = (6.3 + 0.21x)

Solving
3.78 + 0.07x = 6.3 + 0.21x

Solving for variable 'x'.

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

Add '-0.21x' to each side of the equation.
3.78 + 0.07x + -0.21x = 6.3 + 0.21x + -0.21x

Combine like terms: 0.07x + -0.21x = -0.14x
3.78 + -0.14x = 6.3 + 0.21x + -0.21x

Combine like terms: 0.21x + -0.21x = 0.00
3.78 + -0.14x = 6.3 + 0.00
3.78 + -0.14x = 6.3

Add '-3.78' to each side of the equation.
3.78 + -3.78 + -0.14x = 6.3 + -3.78

Combine like terms: 3.78 + -3.78 = 0.00
0.00 + -0.14x = 6.3 + -3.78
-0.14x = 6.3 + -3.78

Combine like terms: 6.3 + -3.78 = 2.52
-0.14x = 2.52

Divide each side by '-0.14'.
x = -18

Simplifying
x = -18

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