7x+9+16x=-21

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Solution for 7x+9+16x=-21 equation:


Simplifying
7x + 9 + 16x = -21

Reorder the terms:
9 + 7x + 16x = -21

Combine like terms: 7x + 16x = 23x
9 + 23x = -21

Solving
9 + 23x = -21

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 23x = -21 + -9

Combine like terms: 9 + -9 = 0
0 + 23x = -21 + -9
23x = -21 + -9

Combine like terms: -21 + -9 = -30
23x = -30

Divide each side by '23'.
x = -1.304347826

Simplifying
x = -1.304347826

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