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Simplifying 0.4(5 + -0.4n) = -3.2 (5 * 0.4 + -0.4n * 0.4) = -3.2 (2 + -0.16n) = -3.2 Solving 2 + -0.16n = -3.2 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -0.16n = -3.2 + -2 Combine like terms: 2 + -2 = 0 0 + -0.16n = -3.2 + -2 -0.16n = -3.2 + -2 Combine like terms: -3.2 + -2 = -5.2 -0.16n = -5.2 Divide each side by '-0.16'. n = 32.5 Simplifying n = 32.5
| -3(3y-6x)-y= | | 7(z+8)=76+2z | | 12z+6=5z | | -11+4w+6=-2w+3-2w | | .7(6-.3n)=-2.1 | | 86-x=77 | | 18x-8x-7=67 | | 4a+2a+29=6+3a+8 | | -9x+4=50 | | 9a^2-18ab+9b^2=0 | | x/10+2=5 | | -7x-20=-3x | | 2(m+12)=16 | | Y+6=2x | | -3k+3=-21+5k | | 2.5x+2=3 | | 4=79x+47 | | 235-x=84 | | 2+7n=68-4n | | 16x^2+16+4=0 | | 30=3(2-2x) | | -1x+2=3 | | 50+3x=86-6 | | 3x-14=2x-9 | | -x/3+5=8 | | a^2+4a=-45 | | 30=2(9)+2w | | (x+2)= | | 4x+18=8x+30 | | w+76+w= | | (x-4)-4(x-4)-12=0 | | 7-5x=4-2x|+2x |