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Simplifying 3.5(x + 3) = 2.1(x + 3) * 4.2 Reorder the terms: 3.5(3 + x) = 2.1(x + 3) * 4.2 (3 * 3.5 + x * 3.5) = 2.1(x + 3) * 4.2 (10.5 + 3.5x) = 2.1(x + 3) * 4.2 Reorder the terms: 10.5 + 3.5x = 2.1(3 + x) * 4.2 Reorder the terms for easier multiplication: 10.5 + 3.5x = 2.1 * 4.2(3 + x) Multiply 2.1 * 4.2 10.5 + 3.5x = 8.82(3 + x) 10.5 + 3.5x = (3 * 8.82 + x * 8.82) 10.5 + 3.5x = (26.46 + 8.82x) Solving 10.5 + 3.5x = 26.46 + 8.82x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8.82x' to each side of the equation. 10.5 + 3.5x + -8.82x = 26.46 + 8.82x + -8.82x Combine like terms: 3.5x + -8.82x = -5.32x 10.5 + -5.32x = 26.46 + 8.82x + -8.82x Combine like terms: 8.82x + -8.82x = 0.00 10.5 + -5.32x = 26.46 + 0.00 10.5 + -5.32x = 26.46 Add '-10.5' to each side of the equation. 10.5 + -10.5 + -5.32x = 26.46 + -10.5 Combine like terms: 10.5 + -10.5 = 0.0 0.0 + -5.32x = 26.46 + -10.5 -5.32x = 26.46 + -10.5 Combine like terms: 26.46 + -10.5 = 15.96 -5.32x = 15.96 Divide each side by '-5.32'. x = -3 Simplifying x = -3
| 4x+3=12-x | | 4x-5=x^2-2x | | 3.4x=-17 | | 9.6f+5.8(f+20)= | | (5.8+9.6)(20-f)= | | 5.8f+9.6(20-f)= | | 2x+6-7x-9=3x-6-2x-9 | | 6xy-(x-y)= | | x+2.33=4.66 | | 24=x-26 | | x^2=(6.31*0.00001)*(0.53-x) | | 9y-13=32 | | x-7.61=3.7 | | 20=2v-10 | | 9y-13= | | 3(x+7)=2(x-5) | | 9/3(6x4/8)= | | 847/13= | | 2x+5=-7-6x | | -2x-16=3x+40 | | 13/847= | | .5(t+7)=48 | | -26=2u | | -(2x+7)(5x+6)= | | 7x-5=40-x | | (-2x+7)(5x+6)= | | 7x-16=-x+16 | | 4a-9=2(a+1)+13a+1 | | 7(5x+3)(2x+1)= | | 32*17= | | 7(5x-3)(2x-1)= | | 23*17= |