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Simplifying -1[10z + -1(13z + 9)] = 9 + (2z + 1) Reorder the terms: -1[10z + -1(9 + 13z)] = 9 + (2z + 1) -1[10z + (9 * -1 + 13z * -1)] = 9 + (2z + 1) -1[10z + (-9 + -13z)] = 9 + (2z + 1) Reorder the terms: -1[-9 + 10z + -13z] = 9 + (2z + 1) Combine like terms: 10z + -13z = -3z -1[-9 + -3z] = 9 + (2z + 1) [-9 * -1 + -3z * -1] = 9 + (2z + 1) [9 + 3z] = 9 + (2z + 1) Reorder the terms: 9 + 3z = 9 + (1 + 2z) Remove parenthesis around (1 + 2z) 9 + 3z = 9 + 1 + 2z Combine like terms: 9 + 1 = 10 9 + 3z = 10 + 2z Solving 9 + 3z = 10 + 2z Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-2z' to each side of the equation. 9 + 3z + -2z = 10 + 2z + -2z Combine like terms: 3z + -2z = 1z 9 + 1z = 10 + 2z + -2z Combine like terms: 2z + -2z = 0 9 + 1z = 10 + 0 9 + 1z = 10 Add '-9' to each side of the equation. 9 + -9 + 1z = 10 + -9 Combine like terms: 9 + -9 = 0 0 + 1z = 10 + -9 1z = 10 + -9 Combine like terms: 10 + -9 = 1 1z = 1 Divide each side by '1'. z = 1 Simplifying z = 1
| 6x+7=9+4x | | 3x+39=12x-72 | | 8(4x-4)=5x+22 | | 4(t-4)+4t=4(2t+3)-9 | | 4x+13=37-4x | | 4x+x^2=91 | | 4x+x^1=91 | | 3x+4x=30 | | 2x^2+114=4x^2+13x | | n-6*3n+1=3n*n-5 | | 2x+5x=45 | | 4x-13=6x-12 | | n-1*3n+1=3n*n-5 | | 4x-13=6x*12 | | 7(x+1)-2=5x+2(5+x) | | 4x+127=10x-5 | | 3n*n= | | 2x^2+9-7=0 | | 9-7x=46-14x | | 4(2-3x)+4(2x-3)=4(x+1) | | 5(4x-5)-19x=9 | | 4(2n+5)=6(9n+7)+1 | | x+8y=550 | | -5-7x=37 | | 5m+13.5=3m+18 | | 3x+2=2+5(x-4) | | 3x+6x=33 | | (-3.3)8x-4=(-3.3)9x+4 | | 3y^2+21y-24= | | -7+2x=1 | | -5x+5*2x= | | 3.14*81+3.14*9*x=622.04 |