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Simplifying -0.20(3 + a) = -4 (3 * -0.20 + a * -0.20) = -4 (-0.6 + -0.20a) = -4 Solving -0.6 + -0.20a = -4 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '0.6' to each side of the equation. -0.6 + 0.6 + -0.20a = -4 + 0.6 Combine like terms: -0.6 + 0.6 = 0.0 0.0 + -0.20a = -4 + 0.6 -0.20a = -4 + 0.6 Combine like terms: -4 + 0.6 = -3.4 -0.20a = -3.4 Divide each side by '-0.20'. a = 17 Simplifying a = 17
| -34-26=18 | | .10(c+3)=-.90 | | x^3-x^2-7x-2=0 | | x=1344.68-(x*.08) | | .25(c-1)=4 | | (18x-22)=50 | | x^3+y^2=100 | | 9x=15+6y | | 3w+6w=63 | | 2n+4=66 | | -s+1.25+5=14 | | X/43=35 | | 8x-4=-16+2j | | 30x+50y=880 | | 21+r=-.25 | | 5x+2y=7.50 | | B-4.25=2.33-1.25 | | B-4.25=2.33-1.5 | | -25x^2-4y^2=100 | | (6-w)(5w-1)=0 | | X+4=20-4x^2 | | https://youtu.be/pBXcl2pPluw | | 7h=5+h | | 6h=5+h | | 3/4-1/2z=1/4 | | 3/4-1/3z==1/4 | | 5(1.6+0.4x)=2x-8 | | 66+2b=99+66b | | X^2-56x+24=0 | | 2a+2b+2c+2d=a+b+c+d+890 | | 2x+2b=35x+78 | | x+x(.08)=1344.68 |