2.1+0.2x=0.7x-5.4

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Solution for 2.1+0.2x=0.7x-5.4 equation: 


Simplifying
2.1 + 0.2x = 0.7x + -5.4

Reorder the terms:
2.1 + 0.2x = -5.4 + 0.7x

Solving
2.1 + 0.2x = -5.4 + 0.7x

Solving for variable 'x'.

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

Add '-0.7x' to each side of the equation.
2.1 + 0.2x + -0.7x = -5.4 + 0.7x + -0.7x

Combine like terms: 0.2x + -0.7x = -0.5x
2.1 + -0.5x = -5.4 + 0.7x + -0.7x

Combine like terms: 0.7x + -0.7x = 0.0
2.1 + -0.5x = -5.4 + 0.0
2.1 + -0.5x = -5.4

Add '-2.1' to each side of the equation.
2.1 + -2.1 + -0.5x = -5.4 + -2.1

Combine like terms: 2.1 + -2.1 = 0.0
0.0 + -0.5x = -5.4 + -2.1
-0.5x = -5.4 + -2.1

Combine like terms: -5.4 + -2.1 = -7.5
-0.5x = -7.5

Divide each side by '-0.5'.
x = 15

Simplifying
x = 15

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