210=70+(15+6)w

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Solution for 210=70+(15+6)w equation:


Simplifying
210 = 70 + (15 + 6) * w

Combine like terms: 15 + 6 = 21
210 = 70 + (21) * w

Solving
210 = 70 + 21w

Solving for variable 'w'.

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

Add '-21w' to each side of the equation.
210 + -21w = 70 + 21w + -21w

Combine like terms: 21w + -21w = 0
210 + -21w = 70 + 0
210 + -21w = 70

Add '-210' to each side of the equation.
210 + -210 + -21w = 70 + -210

Combine like terms: 210 + -210 = 0
0 + -21w = 70 + -210
-21w = 70 + -210

Combine like terms: 70 + -210 = -140
-21w = -140

Divide each side by '-21'.
w = 6.666666667

Simplifying
w = 6.666666667

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