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Simplifying 0.4(2x + -5) = 3 + -1(x + 7) Reorder the terms: 0.4(-5 + 2x) = 3 + -1(x + 7) (-5 * 0.4 + 2x * 0.4) = 3 + -1(x + 7) (-2 + 0.8x) = 3 + -1(x + 7) Reorder the terms: -2 + 0.8x = 3 + -1(7 + x) -2 + 0.8x = 3 + (7 * -1 + x * -1) -2 + 0.8x = 3 + (-7 + -1x) Combine like terms: 3 + -7 = -4 -2 + 0.8x = -4 + -1x Solving -2 + 0.8x = -4 + -1x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add 'x' to each side of the equation. -2 + 0.8x + x = -4 + -1x + x Combine like terms: 0.8x + x = 1.8x -2 + 1.8x = -4 + -1x + x Combine like terms: -1x + x = 0 -2 + 1.8x = -4 + 0 -2 + 1.8x = -4 Add '2' to each side of the equation. -2 + 2 + 1.8x = -4 + 2 Combine like terms: -2 + 2 = 0 0 + 1.8x = -4 + 2 1.8x = -4 + 2 Combine like terms: -4 + 2 = -2 1.8x = -2 Divide each side by '1.8'. x = -1.111111111 Simplifying x = -1.111111111
| (2+u)(2u+7)=0 | | 180(x-2)/x=108 | | f(x)=2ln(abs(sec(x)+tan(x))) | | xx/x= | | (2x)(5y)+(3y)(3y)= | | 60/0.45 | | -5y-3y+5y= | | X/-4=1-(-6) | | k^4-5k+2=0 | | x^2+29x-180=0 | | 1/10y=-20 | | 10=x((5/3)x) | | 1/2x2(3.14159265359)x7 | | -6x^2+42x+6=0 | | 10=x(10/1.6x) | | 2s^2=16 | | 10=x(1.6/x) | | x^2-24x-12=0 | | 2(49)+8=121.5 | | 6=16x^2 | | 2*256+8y=121.5 | | f(x)=x^3-2x^2-11x+12 | | 10=x(1.6x) | | x(1.6x)=10 | | 3x^2+x-9=5 | | 12*10y=120y | | 2.5p+1=1.4p | | 2(4x-3)-8=4+3x | | 40.5^1/4 | | 32=x+(x+8) | | x^4=40.5 | | a+5=-5*a+5 |