2.1x-40=1.4x+2

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Solution for 2.1x-40=1.4x+2 equation:


Simplifying
2.1x + -40 = 1.4x + 2

Reorder the terms:
-40 + 2.1x = 1.4x + 2

Reorder the terms:
-40 + 2.1x = 2 + 1.4x

Solving
-40 + 2.1x = 2 + 1.4x

Solving for variable 'x'.

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

Add '-1.4x' to each side of the equation.
-40 + 2.1x + -1.4x = 2 + 1.4x + -1.4x

Combine like terms: 2.1x + -1.4x = 0.7x
-40 + 0.7x = 2 + 1.4x + -1.4x

Combine like terms: 1.4x + -1.4x = 0.0
-40 + 0.7x = 2 + 0.0
-40 + 0.7x = 2

Add '40' to each side of the equation.
-40 + 40 + 0.7x = 2 + 40

Combine like terms: -40 + 40 = 0
0 + 0.7x = 2 + 40
0.7x = 2 + 40

Combine like terms: 2 + 40 = 42
0.7x = 42

Divide each side by '0.7'.
x = 60

Simplifying
x = 60

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