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Simplifying 4(20x + 50) = 920 Reorder the terms: 4(50 + 20x) = 920 (50 * 4 + 20x * 4) = 920 (200 + 80x) = 920 Solving 200 + 80x = 920 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-200' to each side of the equation. 200 + -200 + 80x = 920 + -200 Combine like terms: 200 + -200 = 0 0 + 80x = 920 + -200 80x = 920 + -200 Combine like terms: 920 + -200 = 720 80x = 720 Divide each side by '80'. x = 9 Simplifying x = 9
| (2x^2-5x+2)(-1-2x)+(4-x-x^2)(4x-5)= | | (3x)/(5x+10)*(x+2)/(2) | | 5.5(7.5)+5.5(9.5)= | | -9(v+2)+4v+5=8v+8 | | 3x/5x+10*x+2/2 | | 17-128+6= | | 9*(6-x)=9*6-9*2 | | N^2+23n=0 | | (16x^13y^19)/(11x^7y^8) | | x^3-10x^2+17x+28=0 | | 6p+-2p=4p+12 | | -4=s-3 | | d+6d-7= | | 28.5/5.5 | | 295/9+c=155/7 | | 9x-4=10x+1 | | -3(3n-8)=5(7n-4) | | 1/3=x/14 | | n/5=20 | | 6r-6+2r= | | f(x)=9x^2-36 | | 10/7+x=107 | | -5.5(1-3.5h)=-26.5 | | -121b^2-36b+36=0 | | 107+x=10/7 | | 3r-t= | | 400ln= | | 4+(1+k)=2 | | 28.5=-9.5b+4b | | 2(6-3n)+2=-(6n+3) | | 7d-7= | | =9x^2-36 |