3x+5+4x=75

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Solution for 3x+5+4x=75 equation: 


Simplifying
3x + 5 + 4x = 75

Reorder the terms:
5 + 3x + 4x = 75

Combine like terms: 3x + 4x = 7x
5 + 7x = 75

Solving
5 + 7x = 75

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 + 7x = 75 + -5

Combine like terms: 5 + -5 = 0
0 + 7x = 75 + -5
7x = 75 + -5

Combine like terms: 75 + -5 = 70
7x = 70

Divide each side by '7'.
x = 10

Simplifying
x = 10

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