2x+70+7x+30=810

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Solution for 2x+70+7x+30=810 equation:


Simplifying
2x + 70 + 7x + 30 = 810

Reorder the terms:
70 + 30 + 2x + 7x = 810

Combine like terms: 70 + 30 = 100
100 + 2x + 7x = 810

Combine like terms: 2x + 7x = 9x
100 + 9x = 810

Solving
100 + 9x = 810

Solving for variable 'x'.

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

Add '-100' to each side of the equation.
100 + -100 + 9x = 810 + -100

Combine like terms: 100 + -100 = 0
0 + 9x = 810 + -100
9x = 810 + -100

Combine like terms: 810 + -100 = 710
9x = 710

Divide each side by '9'.
x = 78.88888889

Simplifying
x = 78.88888889

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