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Simplifying 0.4 + -1(1.2 + 0.8) + 2.1 = 1.4x + -1(2.7x + -0.8) Combine like terms: 1.2 + 0.8 = 2 0.4 + -1(2) + 2.1 = 1.4x + -1(2.7x + -0.8) Multiply -1 * 2 0.4 + -2 + 2.1 = 1.4x + -1(2.7x + -0.8) Combine like terms: 0.4 + -2 = -1.6 -1.6 + 2.1 = 1.4x + -1(2.7x + -0.8) Combine like terms: -1.6 + 2.1 = 0.5 0.5 = 1.4x + -1(2.7x + -0.8) Reorder the terms: 0.5 = 1.4x + -1(-0.8 + 2.7x) 0.5 = 1.4x + (-0.8 * -1 + 2.7x * -1) 0.5 = 1.4x + (0.8 + -2.7x) Reorder the terms: 0.5 = 0.8 + 1.4x + -2.7x Combine like terms: 1.4x + -2.7x = -1.3x 0.5 = 0.8 + -1.3x Solving 0.5 = 0.8 + -1.3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.3x' to each side of the equation. 0.5 + 1.3x = 0.8 + -1.3x + 1.3x Combine like terms: -1.3x + 1.3x = 0.0 0.5 + 1.3x = 0.8 + 0.0 0.5 + 1.3x = 0.8 Add '-0.5' to each side of the equation. 0.5 + -0.5 + 1.3x = 0.8 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + 1.3x = 0.8 + -0.5 1.3x = 0.8 + -0.5 Combine like terms: 0.8 + -0.5 = 0.3 1.3x = 0.3 Divide each side by '1.3'. x = 0.2307692308 Simplifying x = 0.2307692308
| 0.5/1=5/x | | .2w=18 | | 6.5/1=x/4 | | 8/1=x/2 | | 8/12x=4/9 | | 9y-8x=72forx | | 10/3=x/6 | | 5/2=x/4 | | 5/2=25/x | | 4/1=12/x | | (8t^2-10t+2)+(8t+13)= | | 5-4x-2x=8x-11+2 | | 4x(x+30)=180 | | 3(y-18)=-2(y-5) | | Y-7.8=3.7 | | Y-7.42=5.9 | | X+7.2=9.9 | | X+5.4=5.9 | | .09x=12.769-x | | f(x)=x^3-2x+2 | | 0.0005x=35 | | 3/7x-8=10 | | 7x^2-48x+28+2x^4-16x^3+48x^2-64x+32=9 | | 16-(-35)= | | 30=0.005x | | 30=0.05x | | 55x^2-92x+51=0 | | 8x=7+9y | | 3x-7x=3+9 | | 2x^4-16x^3+55x^2-92x+51=0 | | 2x^2-16x^3+55x^2-92x+51=0 | | x(3)=-512 |