5x+7-1.3x=21.8

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Solution for 5x+7-1.3x=21.8 equation:


Simplifying
5x + 7 + -1.3x = 21.8

Reorder the terms:
7 + 5x + -1.3x = 21.8

Combine like terms: 5x + -1.3x = 3.7x
7 + 3.7x = 21.8

Solving
7 + 3.7x = 21.8

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 3.7x = 21.8 + -7

Combine like terms: 7 + -7 = 0
0 + 3.7x = 21.8 + -7
3.7x = 21.8 + -7

Combine like terms: 21.8 + -7 = 14.8
3.7x = 14.8

Divide each side by '3.7'.
x = 4

Simplifying
x = 4

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