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Simplifying 2a2 + -4 = -13 Reorder the terms: -4 + 2a2 = -13 Solving -4 + 2a2 = -13 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 + 4 + 2a2 = -13 + 4 Combine like terms: -4 + 4 = 0 0 + 2a2 = -13 + 4 2a2 = -13 + 4 Combine like terms: -13 + 4 = -9 2a2 = -9 Divide each side by '2'. a2 = -4.5 Simplifying a2 = -4.5 Reorder the terms: 4.5 + a2 = -4.5 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 4.5 + a2 = 0.0 The solution to this equation could not be determined.
| 1.00/2.00(x-0.25)=0.5 | | 60/-30=x | | 60/-30 | | 138/189 | | [22+(-8)]+[1+(-14)]= | | 5w+2w^2-63=0 | | 9x-7y*0=-63 | | (1+x/x)20 | | 9x-7y=-63 | | 100000*10=3000/20-a | | x+22+4x=-8-4x-15 | | -59+15= | | 8[-6+3(-6+2)]= | | 19x=95 | | 54a=200 | | 54a= | | 1/4(x-30)=70 | | 3x=700-x | | 3x=700x | | 1000000=3000(1+x/x)^20-1 | | (x-5)(x-3)-(6x-4)(x+3)= | | (8x^3y^6/5)^5/3 | | (8x^3y^5/3)^5/3 | | 3/4m+6=9n | | -(2/5)x=4/15 | | 9n-4/3-6 | | 5x+-x= | | (x-8)(4x-1)= | | (-2)(-4)(-6)= | | (-4)(-7)(0)(4)= | | 5+2i/6+I | | .10(x+200)=55.00 |