0.2(7x+21)=1.4(x+3)

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Solution for 0.2(7x+21)=1.4(x+3) equation: 


Simplifying
0.2(7x + 21) = 1.4(x + 3)

Reorder the terms:
0.2(21 + 7x) = 1.4(x + 3)
(21 * 0.2 + 7x * 0.2) = 1.4(x + 3)
(4.2 + 1.4x) = 1.4(x + 3)

Reorder the terms:
4.2 + 1.4x = 1.4(3 + x)
4.2 + 1.4x = (3 * 1.4 + x * 1.4)
4.2 + 1.4x = (4.2 + 1.4x)

Add '-4.2' to each side of the equation.
4.2 + -4.2 + 1.4x = 4.2 + -4.2 + 1.4x

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + 1.4x = 4.2 + -4.2 + 1.4x
1.4x = 4.2 + -4.2 + 1.4x

Combine like terms: 4.2 + -4.2 = 0.0
1.4x = 0.0 + 1.4x
1.4x = 1.4x

Add '-1.4x' to each side of the equation.
1.4x + -1.4x = 1.4x + -1.4x

Combine like terms: 1.4x + -1.4x = 0.0
0.0 = 1.4x + -1.4x

Combine like terms: 1.4x + -1.4x = 0.0
0.0 = 0.0

Solving
0.0 = 0.0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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