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Simplifying (8x + 2y + -8z) + (7x + 8y + 7z) + -1(15x + 8y + z) = 0 Remove parenthesis around (8x + 2y + -8z) 8x + 2y + -8z + (7x + 8y + 7z) + -1(15x + 8y + z) = 0 Remove parenthesis around (7x + 8y + 7z) 8x + 2y + -8z + 7x + 8y + 7z + -1(15x + 8y + z) = 0 8x + 2y + -8z + 7x + 8y + 7z + (15x * -1 + 8y * -1 + z * -1) = 0 8x + 2y + -8z + 7x + 8y + 7z + (-15x + -8y + -1z) = 0 Reorder the terms: 8x + 7x + -15x + 2y + 8y + -8y + -8z + 7z + -1z = 0 Combine like terms: 8x + 7x = 15x 15x + -15x + 2y + 8y + -8y + -8z + 7z + -1z = 0 Combine like terms: 15x + -15x = 0 0 + 2y + 8y + -8y + -8z + 7z + -1z = 0 2y + 8y + -8y + -8z + 7z + -1z = 0 Combine like terms: 2y + 8y = 10y 10y + -8y + -8z + 7z + -1z = 0 Combine like terms: 10y + -8y = 2y 2y + -8z + 7z + -1z = 0 Combine like terms: -8z + 7z = -1z 2y + -1z + -1z = 0 Combine like terms: -1z + -1z = -2z 2y + -2z = 0 Solving 2y + -2z = 0 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '2z' to each side of the equation. 2y + -2z + 2z = 0 + 2z Combine like terms: -2z + 2z = 0 2y + 0 = 0 + 2z 2y = 0 + 2z Remove the zero: 2y = 2z Divide each side by '2'. y = z Simplifying y = z
| y/5-2=0 | | 10c^2+42c+36=0 | | H/-5=-6 | | 4x-280=4(5-6x)-2x | | 9y=15x+90 | | 8x+124y-575=0 | | 2.66666666667+.75x=5 | | 12-x=3x-12 | | 12x=3x-12 | | N+25=75 | | 5(2X-11)= | | 16x^2+75=0 | | 5a+3-1b+1=0 | | 5(2-4v)-6v=6v-150 | | -0.66(12c-9)= | | 1/4(x-8)==3/4x | | 4/9-x=2/3 | | -8a+2b=62 | | 7/11=y/10 | | 110-2x=3(x+10) | | 5/8x=10/11 | | 3u-8=37 | | 15=4s+2s | | w^2+7w-20=0 | | X/4=180 | | 2a-2=5a-1/4 | | 12-m=.7 | | 3x+(x+1)=y+9 | | 5n-183=4(5-6n) | | 7-9y=6 | | 2p-12=b | | 2.666666667+.75x=5 |