30=.13(x+50)

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Solution for 30=.13(x+50) equation: 


Simplifying
30 = 0.13(x + 50)

Reorder the terms:
30 = 0.13(50 + x)
30 = (50 * 0.13 + x * 0.13)
30 = (6.5 + 0.13x)

Solving
30 = 6.5 + 0.13x

Solving for variable 'x'.

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

Add '-0.13x' to each side of the equation.
30 + -0.13x = 6.5 + 0.13x + -0.13x

Combine like terms: 0.13x + -0.13x = 0.00
30 + -0.13x = 6.5 + 0.00
30 + -0.13x = 6.5

Add '-30' to each side of the equation.
30 + -30 + -0.13x = 6.5 + -30

Combine like terms: 30 + -30 = 0
0 + -0.13x = 6.5 + -30
-0.13x = 6.5 + -30

Combine like terms: 6.5 + -30 = -23.5
-0.13x = -23.5

Divide each side by '-0.13'.
x = 180.7692308

Simplifying
x = 180.7692308

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