3w-10+4w=9w-20

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Solution for 3w-10+4w=9w-20 equation:


Simplifying
3w + -10 + 4w = 9w + -20

Reorder the terms:
-10 + 3w + 4w = 9w + -20

Combine like terms: 3w + 4w = 7w
-10 + 7w = 9w + -20

Reorder the terms:
-10 + 7w = -20 + 9w

Solving
-10 + 7w = -20 + 9w

Solving for variable 'w'.

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

Add '-9w' to each side of the equation.
-10 + 7w + -9w = -20 + 9w + -9w

Combine like terms: 7w + -9w = -2w
-10 + -2w = -20 + 9w + -9w

Combine like terms: 9w + -9w = 0
-10 + -2w = -20 + 0
-10 + -2w = -20

Add '10' to each side of the equation.
-10 + 10 + -2w = -20 + 10

Combine like terms: -10 + 10 = 0
0 + -2w = -20 + 10
-2w = -20 + 10

Combine like terms: -20 + 10 = -10
-2w = -10

Divide each side by '-2'.
w = 5

Simplifying
w = 5

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