4+5x-4x=7

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Solution for 4+5x-4x=7 equation: 


Simplifying
4 + 5x + -4x = 7

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

Solving
4 + 1x = 7

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 1x = 7 + -4

Combine like terms: 4 + -4 = 0
0 + 1x = 7 + -4
1x = 7 + -4

Combine like terms: 7 + -4 = 3
1x = 3

Divide each side by '1'.
x = 3

Simplifying
x = 3

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