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Simplifying 12 = 8(k + 7) + -1(-4 + 2k) Reorder the terms: 12 = 8(7 + k) + -1(-4 + 2k) 12 = (7 * 8 + k * 8) + -1(-4 + 2k) 12 = (56 + 8k) + -1(-4 + 2k) 12 = 56 + 8k + (-4 * -1 + 2k * -1) 12 = 56 + 8k + (4 + -2k) Reorder the terms: 12 = 56 + 4 + 8k + -2k Combine like terms: 56 + 4 = 60 12 = 60 + 8k + -2k Combine like terms: 8k + -2k = 6k 12 = 60 + 6k Solving 12 = 60 + 6k Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-6k' to each side of the equation. 12 + -6k = 60 + 6k + -6k Combine like terms: 6k + -6k = 0 12 + -6k = 60 + 0 12 + -6k = 60 Add '-12' to each side of the equation. 12 + -12 + -6k = 60 + -12 Combine like terms: 12 + -12 = 0 0 + -6k = 60 + -12 -6k = 60 + -12 Combine like terms: 60 + -12 = 48 -6k = 48 Divide each side by '-6'. k = -8 Simplifying k = -8
| 8(x+1)-(3x-7)=1 | | -5-8x-12-4x=-89 | | 3(2x+8)=24+6(x-1) | | 9(4y-8)= | | 2(-3+5)+8= | | 6y+1=16y^2 | | 26-4s+s=9s | | 5/2x=5/2+5/2+x+x | | -22=-3(8+x)+2(4x+1) | | 6y+1=16ysquared | | 2(3)-5-3(2(3)-7)= | | -4=-5x+4x | | -30=3v | | -5p+2=48 | | b-ax=3c | | -.001385x^2-.076x+50.135=0 | | 2x+12+13=13 | | x^3+9x^2-15x-25=y | | P(x)=(x+4)[x-(2+5i)][x-(2-5i)] | | 510=x(5)+135 | | -6n-15=6n+15 | | 18x=18+18+x+x | | 6=-34-5d | | 9s=26-4s | | -1.385E-3x^2-.076x+50.135=0 | | 7-3x-12=16 | | 6(8k+2)=-36 | | 6(8k+2)=36 | | 2(-3-5)= | | 2X-6=5X-4 | | 10p+2=2(-3p-9)+3(-10-3p) | | 0=-1.385E-3x^2-.076x+50.135 |