7(w-3)-9=-4(-5w+9)-4

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Solution for 7(w-3)-9=-4(-5w+9)-4 equation:


Simplifying
7(w + -3) + -9 = -4(-5w + 9) + -4

Reorder the terms:
7(-3 + w) + -9 = -4(-5w + 9) + -4
(-3 * 7 + w * 7) + -9 = -4(-5w + 9) + -4
(-21 + 7w) + -9 = -4(-5w + 9) + -4

Reorder the terms:
-21 + -9 + 7w = -4(-5w + 9) + -4

Combine like terms: -21 + -9 = -30
-30 + 7w = -4(-5w + 9) + -4

Reorder the terms:
-30 + 7w = -4(9 + -5w) + -4
-30 + 7w = (9 * -4 + -5w * -4) + -4
-30 + 7w = (-36 + 20w) + -4

Reorder the terms:
-30 + 7w = -36 + -4 + 20w

Combine like terms: -36 + -4 = -40
-30 + 7w = -40 + 20w

Solving
-30 + 7w = -40 + 20w

Solving for variable 'w'.

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

Add '-20w' to each side of the equation.
-30 + 7w + -20w = -40 + 20w + -20w

Combine like terms: 7w + -20w = -13w
-30 + -13w = -40 + 20w + -20w

Combine like terms: 20w + -20w = 0
-30 + -13w = -40 + 0
-30 + -13w = -40

Add '30' to each side of the equation.
-30 + 30 + -13w = -40 + 30

Combine like terms: -30 + 30 = 0
0 + -13w = -40 + 30
-13w = -40 + 30

Combine like terms: -40 + 30 = -10
-13w = -10

Divide each side by '-13'.
w = 0.7692307692

Simplifying
w = 0.7692307692

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