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Simplifying 0.3x + -0.5(2x + -1) = -0.2(x + 2) Reorder the terms: 0.3x + -0.5(-1 + 2x) = -0.2(x + 2) 0.3x + (-1 * -0.5 + 2x * -0.5) = -0.2(x + 2) 0.3x + (0.5 + -1x) = -0.2(x + 2) Reorder the terms: 0.5 + 0.3x + -1x = -0.2(x + 2) Combine like terms: 0.3x + -1x = -0.7x 0.5 + -0.7x = -0.2(x + 2) Reorder the terms: 0.5 + -0.7x = -0.2(2 + x) 0.5 + -0.7x = (2 * -0.2 + x * -0.2) 0.5 + -0.7x = (-0.4 + -0.2x) Solving 0.5 + -0.7x = -0.4 + -0.2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2x' to each side of the equation. 0.5 + -0.7x + 0.2x = -0.4 + -0.2x + 0.2x Combine like terms: -0.7x + 0.2x = -0.5x 0.5 + -0.5x = -0.4 + -0.2x + 0.2x Combine like terms: -0.2x + 0.2x = 0.0 0.5 + -0.5x = -0.4 + 0.0 0.5 + -0.5x = -0.4 Add '-0.5' to each side of the equation. 0.5 + -0.5 + -0.5x = -0.4 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + -0.5x = -0.4 + -0.5 -0.5x = -0.4 + -0.5 Combine like terms: -0.4 + -0.5 = -0.9 -0.5x = -0.9 Divide each side by '-0.5'. x = 1.8 Simplifying x = 1.8
| (5-n)/3=4 | | (9-v)(5v-8)=0 | | 0.57*s-1=25 | | 0.57*s-1=24 | | 0.5x+x=168 | | 45x+3x^2=256 | | 3a+1whena=8 | | y(n)=x(n) | | 9a^2-15a=-6 | | 7x+2=7-(x+20) | | 5x=2x^2+6 | | 4g^2+4g-32=0 | | 2*x=50 | | 4Q+4Q^2=C | | 4x-x^2+6=0 | | C=142+4Q+4Q^2 | | TC=142+4Q+4Q^2 | | 100-2Q=0 | | 2x^2-9x-k=0 | | 4Q+4Q^2=0 | | 7m+9=28 | | A*3+27=39 | | x^2+100x+2=0 | | x=25x+5x^2+0.2 | | 5y^2-12y=9 | | 12(u+v)2+11(u+v)-5=12(u+v)2+11(u+v)-5 | | (4w^2+0.1)(1w^2-10)=9 | | 142+4Q+4Q^2=0 | | (4w^2+1)(1w^2+1)=0 | | 4w^2+40w+1=0 | | 4w^2+40w+1=1 | | 4w^2+40w+1=9 |