1+4(2-3k)=7(1+9k)-8(-5k-6)

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Solution for 1+4(2-3k)=7(1+9k)-8(-5k-6) equation:


Simplifying
1 + 4(2 + -3k) = 7(1 + 9k) + -8(-5k + -6)
1 + (2 * 4 + -3k * 4) = 7(1 + 9k) + -8(-5k + -6)
1 + (8 + -12k) = 7(1 + 9k) + -8(-5k + -6)

Combine like terms: 1 + 8 = 9
9 + -12k = 7(1 + 9k) + -8(-5k + -6)
9 + -12k = (1 * 7 + 9k * 7) + -8(-5k + -6)
9 + -12k = (7 + 63k) + -8(-5k + -6)

Reorder the terms:
9 + -12k = 7 + 63k + -8(-6 + -5k)
9 + -12k = 7 + 63k + (-6 * -8 + -5k * -8)
9 + -12k = 7 + 63k + (48 + 40k)

Reorder the terms:
9 + -12k = 7 + 48 + 63k + 40k

Combine like terms: 7 + 48 = 55
9 + -12k = 55 + 63k + 40k

Combine like terms: 63k + 40k = 103k
9 + -12k = 55 + 103k

Solving
9 + -12k = 55 + 103k

Solving for variable 'k'.

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

Add '-103k' to each side of the equation.
9 + -12k + -103k = 55 + 103k + -103k

Combine like terms: -12k + -103k = -115k
9 + -115k = 55 + 103k + -103k

Combine like terms: 103k + -103k = 0
9 + -115k = 55 + 0
9 + -115k = 55

Add '-9' to each side of the equation.
9 + -9 + -115k = 55 + -9

Combine like terms: 9 + -9 = 0
0 + -115k = 55 + -9
-115k = 55 + -9

Combine like terms: 55 + -9 = 46
-115k = 46

Divide each side by '-115'.
k = -0.4

Simplifying
k = -0.4

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