.3w+4w-7(4+9w)=8+2

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Solution for .3w+4w-7(4+9w)=8+2 equation:


Simplifying
0.3w + 4w + -7(4 + 9w) = 8 + 2
0.3w + 4w + (4 * -7 + 9w * -7) = 8 + 2
0.3w + 4w + (-28 + -63w) = 8 + 2

Reorder the terms:
-28 + 0.3w + 4w + -63w = 8 + 2

Combine like terms: 0.3w + 4w = 4.3w
-28 + 4.3w + -63w = 8 + 2

Combine like terms: 4.3w + -63w = -58.7w
-28 + -58.7w = 8 + 2

Combine like terms: 8 + 2 = 10
-28 + -58.7w = 10

Solving
-28 + -58.7w = 10

Solving for variable 'w'.

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

Add '28' to each side of the equation.
-28 + 28 + -58.7w = 10 + 28

Combine like terms: -28 + 28 = 0
0 + -58.7w = 10 + 28
-58.7w = 10 + 28

Combine like terms: 10 + 28 = 38
-58.7w = 38

Divide each side by '-58.7'.
w = -0.6473594549

Simplifying
w = -0.6473594549

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