7x+6x+21=70

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Solution for 7x+6x+21=70 equation:


Simplifying
7x + 6x + 21 = 70

Reorder the terms:
21 + 7x + 6x = 70

Combine like terms: 7x + 6x = 13x
21 + 13x = 70

Solving
21 + 13x = 70

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 13x = 70 + -21

Combine like terms: 21 + -21 = 0
0 + 13x = 70 + -21
13x = 70 + -21

Combine like terms: 70 + -21 = 49
13x = 49

Divide each side by '13'.
x = 3.769230769

Simplifying
x = 3.769230769

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