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Simplifying 1 + -12x = 7(1 + -2x) 1 + -12x = (1 * 7 + -2x * 7) 1 + -12x = (7 + -14x) Solving 1 + -12x = 7 + -14x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14x' to each side of the equation. 1 + -12x + 14x = 7 + -14x + 14x Combine like terms: -12x + 14x = 2x 1 + 2x = 7 + -14x + 14x Combine like terms: -14x + 14x = 0 1 + 2x = 7 + 0 1 + 2x = 7 Add '-1' to each side of the equation. 1 + -1 + 2x = 7 + -1 Combine like terms: 1 + -1 = 0 0 + 2x = 7 + -1 2x = 7 + -1 Combine like terms: 7 + -1 = 6 2x = 6 Divide each side by '2'. x = 3 Simplifying x = 3
| 0=5n+2n | | -6+7x^2+6+7x=0 | | 1-12x=7-14x | | (7m+3b)(7m-3b)= | | -5g+1=q+2g | | 61.54=.61x^2-0.046x+1 | | 3x-20=40 | | 0.25y-0.2=0.15y+1-0.5y | | 7y-24=-44+2y | | h(t)=-4.9t^2+9t+15 | | =(4y-5)(3y-7) | | 33x^2+33=130x | | 0=2x+3x-65 | | 61.54=0.61x^2-0.046x+1 | | 3x+4y=700 | | 42=58x | | (7x+15)+(12x-3)=145 | | 28-7x=9+x | | 31x-13=7x | | 38-2x=7x+18 | | 160=5(x-65)+60 | | 7x-.375=6x-.625 | | 147-7X=29X+19 | | (x+7)(x-4)=26 | | 3x=1.36x+0.8 | | 3x=7.5x+2.5 | | 7x^2-21x=x^2-3x | | 84-4X=7X+17 | | 4(4x-7)-5=4(x-4)+67 | | t^4-16t^2+60=0 | | 12X-10=98 | | 2(5x-1)=20 |