7(3x-0.4)=6x-2.8

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Solution for 7(3x-0.4)=6x-2.8 equation:


Simplifying
7(3x + -0.4) = 6x + -2.8

Reorder the terms:
7(-0.4 + 3x) = 6x + -2.8
(-0.4 * 7 + 3x * 7) = 6x + -2.8
(-2.8 + 21x) = 6x + -2.8

Reorder the terms:
-2.8 + 21x = -2.8 + 6x

Add '2.8' to each side of the equation.
-2.8 + 2.8 + 21x = -2.8 + 2.8 + 6x

Combine like terms: -2.8 + 2.8 = 0.0
0.0 + 21x = -2.8 + 2.8 + 6x
21x = -2.8 + 2.8 + 6x

Combine like terms: -2.8 + 2.8 = 0.0
21x = 0.0 + 6x
21x = 6x

Solving
21x = 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
21x + -6x = 6x + -6x

Combine like terms: 21x + -6x = 15x
15x = 6x + -6x

Combine like terms: 6x + -6x = 0
15x = 0

Divide each side by '15'.
x = 0

Simplifying
x = 0

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