5x+4.2+2.9x-2.2x-3=

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Solution for 5x+4.2+2.9x-2.2x-3= equation:


Simplifying
5x + 4.2 + 2.9x + -2.2x + -3 = 0

Reorder the terms:
4.2 + -3 + 5x + 2.9x + -2.2x = 0

Combine like terms: 4.2 + -3 = 1.2
1.2 + 5x + 2.9x + -2.2x = 0

Combine like terms: 5x + 2.9x = 7.9x
1.2 + 7.9x + -2.2x = 0

Combine like terms: 7.9x + -2.2x = 5.7x
1.2 + 5.7x = 0

Solving
1.2 + 5.7x = 0

Solving for variable 'x'.

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

Add '-1.2' to each side of the equation.
1.2 + -1.2 + 5.7x = 0 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + 5.7x = 0 + -1.2
5.7x = 0 + -1.2

Combine like terms: 0 + -1.2 = -1.2
5.7x = -1.2

Divide each side by '5.7'.
x = -0.2105263158

Simplifying
x = -0.2105263158

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