7+5x-2x=70

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Solution for 7+5x-2x=70 equation: 


Simplifying
7 + 5x + -2x = 70

Combine like terms: 5x + -2x = 3x
7 + 3x = 70

Solving
7 + 3x = 70

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 + 3x = 70 + -7

Combine like terms: 7 + -7 = 0
0 + 3x = 70 + -7
3x = 70 + -7

Combine like terms: 70 + -7 = 63
3x = 63

Divide each side by '3'.
x = 21

Simplifying
x = 21

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