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Simplifying 7(z + -3) + -3(z + -8) + 4(z + 5) = 0 Reorder the terms: 7(-3 + z) + -3(z + -8) + 4(z + 5) = 0 (-3 * 7 + z * 7) + -3(z + -8) + 4(z + 5) = 0 (-21 + 7z) + -3(z + -8) + 4(z + 5) = 0 Reorder the terms: -21 + 7z + -3(-8 + z) + 4(z + 5) = 0 -21 + 7z + (-8 * -3 + z * -3) + 4(z + 5) = 0 -21 + 7z + (24 + -3z) + 4(z + 5) = 0 Reorder the terms: -21 + 7z + 24 + -3z + 4(5 + z) = 0 -21 + 7z + 24 + -3z + (5 * 4 + z * 4) = 0 -21 + 7z + 24 + -3z + (20 + 4z) = 0 Reorder the terms: -21 + 24 + 20 + 7z + -3z + 4z = 0 Combine like terms: -21 + 24 = 3 3 + 20 + 7z + -3z + 4z = 0 Combine like terms: 3 + 20 = 23 23 + 7z + -3z + 4z = 0 Combine like terms: 7z + -3z = 4z 23 + 4z + 4z = 0 Combine like terms: 4z + 4z = 8z 23 + 8z = 0 Solving 23 + 8z = 0 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-23' to each side of the equation. 23 + -23 + 8z = 0 + -23 Combine like terms: 23 + -23 = 0 0 + 8z = 0 + -23 8z = 0 + -23 Combine like terms: 0 + -23 = -23 8z = -23 Divide each side by '8'. z = -2.875 Simplifying z = -2.875
| 7x+20=8x+7 | | f(z)=z^2-2+2i | | -4t^3+8t^2=0 | | -2+8(x-4)=13x+3-5x | | 3sqrtx-2-8=8 | | 5(x+5)=3(x-1) | | (1-y)(3y-8)=0 | | 150(2x+90)=21000 | | 4x+8=3+7x-7 | | 4(2x+1)+5(2x+3)=11 | | 17y=510 | | 60x^3+76x^2-40x= | | 3(x+1)-2(x-4)=11 | | 2(x+5)+3(x-1)=17 | | 4-1/2n=-12 | | 16^3b=1/8 | | 7m-13= | | 2+4u=-26 | | (20x^2+24x)=0 | | |2x-9|/5=7 | | (x^2+8x+12)=0 | | |2x-1|/3=9 | | h=25t^2+kt+p | | 3x-2(x+4)=5 | | n^3-2n-3=0 | | 6x-9=6x-36 | | 2x+3(x+1)=11 | | (x+4)-(x-1)= | | (8x+1)(2x+1)=5x | | .6y+1=1.2y-11 | | (2y+9)(2-y)=0 | | -11+r=49 |