18=(x*7)+.5(7*0.3)

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Solution for 18=(x*7)+.5(7*0.3) equation: 


Simplifying
18 = (x * 7) + 0.5(7 * 0.3)

Reorder the terms for easier multiplication:
18 = (7x) + 0.5(7 * 0.3)

Multiply 7 * 0.3
18 = (7x) + 0.5(2.1)

Multiply 0.5 * 2.1
18 = (7x) + 1.05

Reorder the terms:
18 = 1.05 + (7x)

Solving
18 = 1.05 + (7x)

Solving for variable 'x'.

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

Add '(-7x)' to each side of the equation.
18 + (-7x) = 1.05 + (7x) + (-7x)

Combine like terms: (7x) + (-7x) = 0
18 + (-7x) = 1.05 + 0
18 + (-7x) = 1.05

Add '-18' to each side of the equation.
18 + -18 + (-7x) = 1.05 + -18

Combine like terms: 18 + -18 = 0
0 + (-7x) = 1.05 + -18
(-7x) = 1.05 + -18

Combine like terms: 1.05 + -18 = -16.95
(-7x) = -16.95

Divide each side by '-7'.
x = 2.421428571

Simplifying
x = 2.421428571

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