7=12x+7(0.403)

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Solution for 7=12x+7(0.403) equation:


Simplifying
7 = 12x + 7(0.403)

Multiply 7 * 0.403
7 = 12x + 2.821

Reorder the terms:
7 = 2.821 + 12x

Solving
7 = 2.821 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
7 + -12x = 2.821 + 12x + -12x

Combine like terms: 12x + -12x = 0
7 + -12x = 2.821 + 0
7 + -12x = 2.821

Add '-7' to each side of the equation.
7 + -7 + -12x = 2.821 + -7

Combine like terms: 7 + -7 = 0
0 + -12x = 2.821 + -7
-12x = 2.821 + -7

Combine like terms: 2.821 + -7 = -4.179
-12x = -4.179

Divide each side by '-12'.
x = 0.34825

Simplifying
x = 0.34825

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