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Simplifying (0.10)(30) + 0.40X = (0.20)(30 + X) Multiply 0.10 * 30 3 + 0.40X = (0.20)(30 + X) 3 + 0.40X = (30 * 0.20 + X * 0.20) 3 + 0.40X = (6 + 0.20X) Solving 3 + 0.40X = 6 + 0.20X Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-0.20X' to each side of the equation. 3 + 0.40X + -0.20X = 6 + 0.20X + -0.20X Combine like terms: 0.40X + -0.20X = 0.2X 3 + 0.2X = 6 + 0.20X + -0.20X Combine like terms: 0.20X + -0.20X = 0.00 3 + 0.2X = 6 + 0.00 3 + 0.2X = 6 Add '-3' to each side of the equation. 3 + -3 + 0.2X = 6 + -3 Combine like terms: 3 + -3 = 0 0 + 0.2X = 6 + -3 0.2X = 6 + -3 Combine like terms: 6 + -3 = 3 0.2X = 3 Divide each side by '0.2'. X = 15 Simplifying X = 15
| x+50=200 | | -8x+12=-6x+4 | | 7f+3-10f=15 | | 16oz=1lb | | 7(7+4x)=49 | | 2(m-3)=12 | | -2-3y=-4x-3 | | 4y+9=6y+1 | | 2x^2+10x+12/4x^2-31x+12 | | (6p^8)(5p^2)= | | 2x+9=-8+2x | | (2)(2)(2)(2)(2)= | | x^8+5x^6-x^4-5x^2=0 | | 3x-5=12x-133 | | p+15=55 | | (3)(3)(3)(3)(3)= | | 3-2x=x-4 | | x^8-10x^4+9=0 | | (7x)+(8x)-(16)=(3x)+(32) | | -x/3=18 | | x^7-x^5-x^3+x=0 | | 2+44=5x+14 | | 15x=200 | | 3x+8=-7+3x | | 3h-10h=6h | | x^7-2x^5-4x^3+8x=0 | | x^7-x=0 | | x^8-25x^4+144=0 | | 11=d/5 | | 5x^3-10x^2+5x-12=0 | | (-3)(4)(-5)= | | 30a^3-5a^2+48a-8=0 |