31=-2(3b+7)

Simple and best practice solution for 31=-2(3b+7) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 31=-2(3b+7) equation:


Simplifying
31 = -2(3b + 7)

Reorder the terms:
31 = -2(7 + 3b)
31 = (7 * -2 + 3b * -2)
31 = (-14 + -6b)

Solving
31 = -14 + -6b

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '6b' to each side of the equation.
31 + 6b = -14 + -6b + 6b

Combine like terms: -6b + 6b = 0
31 + 6b = -14 + 0
31 + 6b = -14

Add '-31' to each side of the equation.
31 + -31 + 6b = -14 + -31

Combine like terms: 31 + -31 = 0
0 + 6b = -14 + -31
6b = -14 + -31

Combine like terms: -14 + -31 = -45
6b = -45

Divide each side by '6'.
b = -7.5

Simplifying
b = -7.5

See similar equations:

| 7x-24=34+9x | | 8y+8-2(-2y-2)=2(y-1) | | 3x-4=5(2x-6) | | 4x+8x-2x=20-5 | | 0.07x+400-0.10x=825 | | -11x-87=25-3x | | x-10=x^2-10x | | -4x-9=-6x+15 | | 5x+8=8-16 | | 7x-9=-3(2x+2) | | 3(0.75a+3)+6=87 | | -24-9x=27-12x | | 5x^2-5x+2=0 | | x^4-12x^2+20=0 | | 0.09x-0.014=0.4 | | 0.66(k-8)=52 | | 7x-4x=15 | | 12-7(36+6)+8(36)=14-8 | | 7x-6y=9 | | (4x+6)+5x+113=540 | | 5x-18(4x)=-36 | | 7b^2-175=0 | | -133+7x=47-3x | | 5x-18x=-36 | | 6x-14y=36 | | 8x=17-25 | | -130-3x=131-12x | | (x+10)+x+x+59=360 | | 0.06x+6.25x=1590 | | x-0.3=0.8 | | 625x^4-16x^4=0 | | 0.06+6.25=1590 |

Equations solver categories