(1-3k)-4(2+2.5k)=

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Solution for (1-3k)-4(2+2.5k)= equation: 


Simplifying
(1 + -3k) + -4(2 + 2.5k) = 0

Remove parenthesis around (1 + -3k)
1 + -3k + -4(2 + 2.5k) = 0
1 + -3k + (2 * -4 + 2.5k * -4) = 0
1 + -3k + (-8 + -10k) = 0

Reorder the terms:
1 + -8 + -3k + -10k = 0

Combine like terms: 1 + -8 = -7
-7 + -3k + -10k = 0

Combine like terms: -3k + -10k = -13k
-7 + -13k = 0

Solving
-7 + -13k = 0

Solving for variable 'k'.

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

Add '7' to each side of the equation.
-7 + 7 + -13k = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -13k = 0 + 7
-13k = 0 + 7

Combine like terms: 0 + 7 = 7
-13k = 7

Divide each side by '-13'.
k = -0.5384615385

Simplifying
k = -0.5384615385

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