7x+4-2x+1=9

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Solution for 7x+4-2x+1=9 equation:


Simplifying
7x + 4 + -2x + 1 = 9

Reorder the terms:
4 + 1 + 7x + -2x = 9

Combine like terms: 4 + 1 = 5
5 + 7x + -2x = 9

Combine like terms: 7x + -2x = 5x
5 + 5x = 9

Solving
5 + 5x = 9

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 5x = 9 + -5

Combine like terms: 5 + -5 = 0
0 + 5x = 9 + -5
5x = 9 + -5

Combine like terms: 9 + -5 = 4
5x = 4

Divide each side by '5'.
x = 0.8

Simplifying
x = 0.8

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