3x+7+6x+20=90

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Solution for 3x+7+6x+20=90 equation:


Simplifying
3x + 7 + 6x + 20 = 90

Reorder the terms:
7 + 20 + 3x + 6x = 90

Combine like terms: 7 + 20 = 27
27 + 3x + 6x = 90

Combine like terms: 3x + 6x = 9x
27 + 9x = 90

Solving
27 + 9x = 90

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 9x = 90 + -27

Combine like terms: 27 + -27 = 0
0 + 9x = 90 + -27
9x = 90 + -27

Combine like terms: 90 + -27 = 63
9x = 63

Divide each side by '9'.
x = 7

Simplifying
x = 7

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