7x+2.8=3x-1.4

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Solution for 7x+2.8=3x-1.4 equation:


Simplifying
7x + 2.8 = 3x + -1.4

Reorder the terms:
2.8 + 7x = 3x + -1.4

Reorder the terms:
2.8 + 7x = -1.4 + 3x

Solving
2.8 + 7x = -1.4 + 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.
2.8 + 7x + -3x = -1.4 + 3x + -3x

Combine like terms: 7x + -3x = 4x
2.8 + 4x = -1.4 + 3x + -3x

Combine like terms: 3x + -3x = 0
2.8 + 4x = -1.4 + 0
2.8 + 4x = -1.4

Add '-2.8' to each side of the equation.
2.8 + -2.8 + 4x = -1.4 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + 4x = -1.4 + -2.8
4x = -1.4 + -2.8

Combine like terms: -1.4 + -2.8 = -4.2
4x = -4.2

Divide each side by '4'.
x = -1.05

Simplifying
x = -1.05

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