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Simplifying (3x2 + 4) + -1a = (9x2 + -7) Reorder the terms: (4 + 3x2) + -1a = (9x2 + -7) Remove parenthesis around (4 + 3x2) 4 + 3x2 + -1a = (9x2 + -7) Reorder the terms: 4 + -1a + 3x2 = (9x2 + -7) Reorder the terms: 4 + -1a + 3x2 = (-7 + 9x2) Remove parenthesis around (-7 + 9x2) 4 + -1a + 3x2 = -7 + 9x2 Solving 4 + -1a + 3x2 = -7 + 9x2 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -1a + -4 + 3x2 = -7 + -4 + 9x2 Reorder the terms: 4 + -4 + -1a + 3x2 = -7 + -4 + 9x2 Combine like terms: 4 + -4 = 0 0 + -1a + 3x2 = -7 + -4 + 9x2 -1a + 3x2 = -7 + -4 + 9x2 Combine like terms: -7 + -4 = -11 -1a + 3x2 = -11 + 9x2 Add '-3x2' to each side of the equation. -1a + 3x2 + -3x2 = -11 + 9x2 + -3x2 Combine like terms: 3x2 + -3x2 = 0 -1a + 0 = -11 + 9x2 + -3x2 -1a = -11 + 9x2 + -3x2 Combine like terms: 9x2 + -3x2 = 6x2 -1a = -11 + 6x2 Divide each side by '-1'. a = 11 + -6x2 Simplifying a = 11 + -6x2
| 350+8.75x=500 | | x*3+38=50.6 | | x*3+38= | | 21*x/5=56 | | 2(.03r+1)=23-.01r | | 29x-10(17x-6)=32 | | 2(.03r+1)=23.01r | | 9c-11=-e+29 | | 9j+3j= | | 4/6*1/6 | | -15=-5x+10 | | -15=-5+10 | | 12.75x+25=11.25x+29 | | 10=-x-8 | | 9=5w | | 5x+3=3-(3x-3) | | -3=-2+H | | 5x+3y=5y+2x | | 3(2x+4)=34 | | -3+m=17 | | 4=6x-14 | | 3(3y+9)=-18 | | 4(x+1)+3x=-24 | | 2.4x-3=1.6x-4.1 | | 6X+14=4+4X | | 9(9g+4)=171 | | -4(x+4)=-40 | | x/4-3=8 | | 11d+3=6d+8 | | 7w=3/4 | | -5(4y+-6)=-30 | | 7(x-7)=-2.8 |