21=4.7+3x

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Solution for 21=4.7+3x equation:


Simplifying
21 = 4.7 + 3x

Solving
21 = 4.7 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
21 + -3x = 4.7 + 3x + -3x

Combine like terms: 3x + -3x = 0
21 + -3x = 4.7 + 0
21 + -3x = 4.7

Add '-21' to each side of the equation.
21 + -21 + -3x = 4.7 + -21

Combine like terms: 21 + -21 = 0
0 + -3x = 4.7 + -21
-3x = 4.7 + -21

Combine like terms: 4.7 + -21 = -16.3
-3x = -16.3

Divide each side by '-3'.
x = 5.433333333

Simplifying
x = 5.433333333

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