2(k-7)=3(k+10)-4(2k+80)

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Solution for 2(k-7)=3(k+10)-4(2k+80) equation:


Simplifying
2(k + -7) = 3(k + 10) + -4(2k + 80)

Reorder the terms:
2(-7 + k) = 3(k + 10) + -4(2k + 80)
(-7 * 2 + k * 2) = 3(k + 10) + -4(2k + 80)
(-14 + 2k) = 3(k + 10) + -4(2k + 80)

Reorder the terms:
-14 + 2k = 3(10 + k) + -4(2k + 80)
-14 + 2k = (10 * 3 + k * 3) + -4(2k + 80)
-14 + 2k = (30 + 3k) + -4(2k + 80)

Reorder the terms:
-14 + 2k = 30 + 3k + -4(80 + 2k)
-14 + 2k = 30 + 3k + (80 * -4 + 2k * -4)
-14 + 2k = 30 + 3k + (-320 + -8k)

Reorder the terms:
-14 + 2k = 30 + -320 + 3k + -8k

Combine like terms: 30 + -320 = -290
-14 + 2k = -290 + 3k + -8k

Combine like terms: 3k + -8k = -5k
-14 + 2k = -290 + -5k

Solving
-14 + 2k = -290 + -5k

Solving for variable 'k'.

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

Add '5k' to each side of the equation.
-14 + 2k + 5k = -290 + -5k + 5k

Combine like terms: 2k + 5k = 7k
-14 + 7k = -290 + -5k + 5k

Combine like terms: -5k + 5k = 0
-14 + 7k = -290 + 0
-14 + 7k = -290

Add '14' to each side of the equation.
-14 + 14 + 7k = -290 + 14

Combine like terms: -14 + 14 = 0
0 + 7k = -290 + 14
7k = -290 + 14

Combine like terms: -290 + 14 = -276
7k = -276

Divide each side by '7'.
k = -39.42857143

Simplifying
k = -39.42857143

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