15*1=12.4*(1+x)

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Solution for 15*1=12.4*(1+x) equation: 


Simplifying
15 * 1 = 12.4(1 + x)

Multiply 15 * 1
15 = 12.4(1 + x)
15 = (1 * 12.4 + x * 12.4)
15 = (12.4 + 12.4x)

Solving
15 = 12.4 + 12.4x

Solving for variable 'x'.

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

Add '-12.4x' to each side of the equation.
15 + -12.4x = 12.4 + 12.4x + -12.4x

Combine like terms: 12.4x + -12.4x = 0.0
15 + -12.4x = 12.4 + 0.0
15 + -12.4x = 12.4

Add '-15' to each side of the equation.
15 + -15 + -12.4x = 12.4 + -15

Combine like terms: 15 + -15 = 0
0 + -12.4x = 12.4 + -15
-12.4x = 12.4 + -15

Combine like terms: 12.4 + -15 = -2.6
-12.4x = -2.6

Divide each side by '-12.4'.
x = 0.2096774194

Simplifying
x = 0.2096774194

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