42=x+.07+.15(x+.07x)

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Solution for 42=x+.07+.15(x+.07x) equation:


Simplifying
42 = x + 0.07 + 0.15(x + 0.07x)

Combine like terms: x + 0.07x = 1.07x
42 = x + 0.07 + 0.15(1.07x)

Remove parenthesis around (1.07x)
42 = x + 0.07 + 0.15 * 1.07x

Multiply 0.15 * 1.07
42 = x + 0.07 + 0.1605x

Reorder the terms:
42 = 0.07 + x + 0.1605x

Combine like terms: x + 0.1605x = 1.1605x
42 = 0.07 + 1.1605x

Solving
42 = 0.07 + 1.1605x

Solving for variable 'x'.

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

Add '-1.1605x' to each side of the equation.
42 + -1.1605x = 0.07 + 1.1605x + -1.1605x

Combine like terms: 1.1605x + -1.1605x = 0.0000
42 + -1.1605x = 0.07 + 0.0000
42 + -1.1605x = 0.07

Add '-42' to each side of the equation.
42 + -42 + -1.1605x = 0.07 + -42

Combine like terms: 42 + -42 = 0
0 + -1.1605x = 0.07 + -42
-1.1605x = 0.07 + -42

Combine like terms: 0.07 + -42 = -41.93
-1.1605x = -41.93

Divide each side by '-1.1605'.
x = 36.13097803

Simplifying
x = 36.13097803

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