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Simplifying -5x + 7 = -4(2x + 5) Reorder the terms: 7 + -5x = -4(2x + 5) Reorder the terms: 7 + -5x = -4(5 + 2x) 7 + -5x = (5 * -4 + 2x * -4) 7 + -5x = (-20 + -8x) Solving 7 + -5x = -20 + -8x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8x' to each side of the equation. 7 + -5x + 8x = -20 + -8x + 8x Combine like terms: -5x + 8x = 3x 7 + 3x = -20 + -8x + 8x Combine like terms: -8x + 8x = 0 7 + 3x = -20 + 0 7 + 3x = -20 Add '-7' to each side of the equation. 7 + -7 + 3x = -20 + -7 Combine like terms: 7 + -7 = 0 0 + 3x = -20 + -7 3x = -20 + -7 Combine like terms: -20 + -7 = -27 3x = -27 Divide each side by '3'. x = -9 Simplifying x = -9

| -18r+3r=4r+56 | | 1-7x=3x-9 | | 17+4x=7x+8 | | 2x=4+x+2 | | x=sin(79) | | =sin(79) | | 6(w-7)-3w=-39 | | 9+4=8(5+K) | | 12=-8x+2(x+3) | | 5*1=9 | | 7(v-5)+3u=5 | | 4(2x-3)=5(x+5) | | 2z^2-21z-336=0 | | 29=7(u+3)-5u | | -22=5(y-8)-2y | | 2a+9=4a+3 | | 4t+16=2t+36 | | x^17/4x^9 | | 3t+15=39 | | Y=3x(x-8) | | f(4)=8 | | f(x)=2x^3+11x^2+17x+6 | | 4-6t=2t-12 | | (7/10a^2b)-(3/14ab^3) | | 6x-15x-19=91 | | (7/10a2b)-(3/14ab3) | | 4x-3(2-7x)=3x+9 | | (k+1)(k-1)=-72 | | 2+y=71 | | Lnx=5.67 | | 3xy+4x^2=90 | | 18y/45 | | 2(h+5)-5(1-2h)=7-4(3-h) | | 5(3x-8)-7=-2(4x+5)+10 | | 5(3x-8)=-2(4x+5)+10 | | -6(y+2)+5(y+3)=16 | | -4x+4x^2+1=0 | | -10(s+1)=36 | | 4(f-5)=-48 | | 3(a-1)=27 | | 3a-1=27 | | 0.5(X-6)=9 | | 4c-(7-c)=-17 | | 19w=1.33 | | 3x^2+3y^2+6x-6y-3=0 | | c/5-6=4;10 | | 3t-8=3 | | 2a+b=8.4 | | 185=19x | | 1380=x^2*(0.04x+55) | | 5(2x+8)=16 | | 3(8x-2)=119 | | 1=3-4x+2+5x+4(3-x) | | 1=3-4x+12+5x+4(3-x) | | 15x+(5-6x)-2-(-x+3)=(7x+23)-x+(3-2x) | | x^3=96x-256 | | 1=-4x-4x | | D/6-12=-2 | | y-10=0+x | | 3.61n=8+2.135n | | 6x=48-10x | | 0=-x^2+9x+10 | | x^2(0.06x+51)=1382 | | x^2-3x+7=2x-3 | | .8333x-14=-4 |

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