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Simplifying 0.4x + 0.3(10) = 0.2(x + 30) Multiply 0.3 * 10 0.4x + 3 = 0.2(x + 30) Reorder the terms: 3 + 0.4x = 0.2(x + 30) Reorder the terms: 3 + 0.4x = 0.2(30 + x) 3 + 0.4x = (30 * 0.2 + x * 0.2) 3 + 0.4x = (6 + 0.2x) Solving 3 + 0.4x = 6 + 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. 3 + 0.4x + -0.2x = 6 + 0.2x + -0.2x Combine like terms: 0.4x + -0.2x = 0.2x 3 + 0.2x = 6 + 0.2x + -0.2x Combine like terms: 0.2x + -0.2x = 0.0 3 + 0.2x = 6 + 0.0 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
| 15=4.3y-2.1(y-4) | | 30=x-(-10) | | 5-3(x-3)=20 | | 0.7t+0.3(t-0.5)=4.39 | | 24.48=5g+3.93 | | 82x+21=41x-21 | | (2x-2)+(x+5)=189 | | -10+1/5z=23 | | -2k+7=15 | | 6x+7=9x+1 | | Z^2-9z-50=0 | | 8h+16-12=24h+2 | | 7=-6+m | | -3f+3(4f+7)=-(6f-2) | | 15+p=6 | | 3x=12+0y | | 6-(2x-2)=5-3x | | 2x=11+x+4 | | N+5=22 | | -2(-5-3z)7z= | | 24-4x-6+x-5=45-18x | | 12(n+3)-(n-7)=12 | | 4(1-7k)=-6k-40 | | 5x-7x+6-2x-5+8= | | (3X^2+4X)(9X+7)=0 | | -11y+32=104-57 | | =4+6(3x+2) | | -15=13(m+2) | | 6(m-3)+2=3+2(3m-9) | | x+0.09x=2764.24 | | -2x+33=x+9 | | 27-15=3(x-6) |