3x+4x=70+30-30

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Solution for 3x+4x=70+30-30 equation: 


Simplifying
3x + 4x = 70 + 30 + -30

Combine like terms: 3x + 4x = 7x
7x = 70 + 30 + -30

Combine like terms: 70 + 30 = 100
7x = 100 + -30

Combine like terms: 100 + -30 = 70
7x = 70

Solving
7x = 70

Solving for variable 'x'.

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

Divide each side by '7'.
x = 10

Simplifying
x = 10

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