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Simplifying (x2 + 4x + -3) + -1(3x + 1) = x2 + -15 Reorder the terms: (-3 + 4x + x2) + -1(3x + 1) = x2 + -15 Remove parenthesis around (-3 + 4x + x2) -3 + 4x + x2 + -1(3x + 1) = x2 + -15 Reorder the terms: -3 + 4x + x2 + -1(1 + 3x) = x2 + -15 -3 + 4x + x2 + (1 * -1 + 3x * -1) = x2 + -15 -3 + 4x + x2 + (-1 + -3x) = x2 + -15 Reorder the terms: -3 + -1 + 4x + -3x + x2 = x2 + -15 Combine like terms: -3 + -1 = -4 -4 + 4x + -3x + x2 = x2 + -15 Combine like terms: 4x + -3x = 1x -4 + 1x + x2 = x2 + -15 Reorder the terms: -4 + 1x + x2 = -15 + x2 Add '-1x2' to each side of the equation. -4 + 1x + x2 + -1x2 = -15 + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -4 + 1x + 0 = -15 + x2 + -1x2 -4 + 1x = -15 + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -4 + 1x = -15 + 0 -4 + 1x = -15 Solving -4 + 1x = -15 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + 1x = -15 + 4 Combine like terms: -4 + 4 = 0 0 + 1x = -15 + 4 1x = -15 + 4 Combine like terms: -15 + 4 = -11 1x = -11 Divide each side by '1'. x = -11 Simplifying x = -11
| 1.80-2.25=x | | -3/4=m/32 | | 9x^2+(9k+1)x+k= | | x-83=43 | | 6d-2=16 | | -1.8=0.54 | | 6b*3= | | (4x^2+6x+4)-(4x^2-5)=8x-16 | | 7x^2-15x+6=4 | | 3x+2+5(x+1)=8x+17 | | 3+4z+5=31 | | 3x-0.4=2x+0.1 | | 5(-3x+4)-4x=96 | | 0.5(x)=14 | | 1.4-1.6(t-6)=4.6 | | y+3/5=1/8 | | 2(a+2)=4a+8 | | 25x^2+3x=12 | | 6x^2+10x+0=0 | | 3+2(2x-8)=15 | | m-4=4.2 | | 0.714285p=40.5 | | b-1/3=3/4 | | a(a^2+2)=0 | | -14-3x+2=2x-x | | 7(x-2)+2(x+6)=21-2x | | -3x+7=-14 | | y=3xy*2 | | X+23+x+x+5= | | -9(6m-3)+2(n+3)= | | 7(x-2)+s(x+6)=21-2x | | x+34=78 |