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Simplifying 7x + 20 = 9x + 18 Reorder the terms: 20 + 7x = 9x + 18 Reorder the terms: 20 + 7x = 18 + 9x Solving 20 + 7x = 18 + 9x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9x' to each side of the equation. 20 + 7x + -9x = 18 + 9x + -9x Combine like terms: 7x + -9x = -2x 20 + -2x = 18 + 9x + -9x Combine like terms: 9x + -9x = 0 20 + -2x = 18 + 0 20 + -2x = 18 Add '-20' to each side of the equation. 20 + -20 + -2x = 18 + -20 Combine like terms: 20 + -20 = 0 0 + -2x = 18 + -20 -2x = 18 + -20 Combine like terms: 18 + -20 = -2 -2x = -2 Divide each side by '-2'. x = 1 Simplifying x = 1
| 17/72×100 | | 4z/9-2=7 | | z^4-2z^3+2z^2+4z-8=0 | | x^2(x+5)=0 | | x/9-7=-3 | | 55.3896=3.148*r^2 | | z/9-5=5 | | 3(f-1)=-9 | | 2(4-2)3x=36 | | 15x+5=10x+20 | | F(x)=5x^4-18x^2+9 | | 6(t+1)=-10 | | 4x-3x-48=0 | | 3x^4+5x^3+9x^2+5x=0 | | f(7)=9X-4 | | 4z/7-2=-8 | | 210(t)-5=41790 | | 1/4xy=12 | | 7(3x-2)=3.5x+1 | | 17+5(2c-3)= | | 5(5x+5)-9= | | 7y+5+5y= | | t/3-1=15 | | 3(2x-4)=4(12-x) | | 6(3s+8)=228 | | -2/2=c | | 8x+7+5x-6= | | 5(a-8)=20 | | 9*1/2-2*-3 | | 4a-1whena=5 | | 100+0.2(120-100)= | | (u-5)*10=40 |