If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -2(a + 4) = -21 Reorder the terms: -2(4 + a) = -21 (4 * -2 + a * -2) = -21 (-8 + -2a) = -21 Solving -8 + -2a = -21 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -2a = -21 + 8 Combine like terms: -8 + 8 = 0 0 + -2a = -21 + 8 -2a = -21 + 8 Combine like terms: -21 + 8 = -13 -2a = -13 Divide each side by '-2'. a = 6.5 Simplifying a = 6.5
| x+101=x+91 | | 2.7w-.8=2.2w+1.2 | | 5+2x+(-9)=7x+(-4)+(-5x) | | 3(4-2x)=6(1-x)-18 | | 4(7x-7)+5=28x-23 | | 4(x-2)=x+15 | | 11x+11=12x+12 | | -22=7a-8 | | a-5.9=-6.1 | | 20n-7=10n+2 | | C+9c+14=0 | | 2x-7x+8x= | | -6(-x-1)-5=6x+1 | | 2.5-2x=x | | 15a-6=5a+9 | | -7c=-84 | | 26=-2f+9f | | x^3-6x^2-24x-66=0 | | 7x+8=116 | | -5+4(1-9k)=25 | | -16=7+5(v+4) | | 8n-3(2n-5)=40 | | 3x+2*7=29 | | 16=-9(5y+6) | | 3b(4bc+6)= | | 12x+7=125 | | 3g-g+6g= | | 3(2-7h)=18 | | -3(2x+4)=12 | | (7x+10)+3x=180 | | 32a^2-18= | | 3x+2(2x+7/3)=9 |