(13b-7)-4(3b+4)=-7

Simple and best practice solution for (13b-7)-4(3b+4)=-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 (13b-7)-4(3b+4)=-7 equation:


Simplifying
(13b + -7) + -4(3b + 4) = -7

Reorder the terms:
(-7 + 13b) + -4(3b + 4) = -7

Remove parenthesis around (-7 + 13b)
-7 + 13b + -4(3b + 4) = -7

Reorder the terms:
-7 + 13b + -4(4 + 3b) = -7
-7 + 13b + (4 * -4 + 3b * -4) = -7
-7 + 13b + (-16 + -12b) = -7

Reorder the terms:
-7 + -16 + 13b + -12b = -7

Combine like terms: -7 + -16 = -23
-23 + 13b + -12b = -7

Combine like terms: 13b + -12b = 1b
-23 + 1b = -7

Solving
-23 + 1b = -7

Solving for variable 'b'.

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

Add '23' to each side of the equation.
-23 + 23 + 1b = -7 + 23

Combine like terms: -23 + 23 = 0
0 + 1b = -7 + 23
1b = -7 + 23

Combine like terms: -7 + 23 = 16
1b = 16

Divide each side by '1'.
b = 16

Simplifying
b = 16

See similar equations:

| 2x+26=144 | | (X+4)-(12-9x)= | | -0.3x^2+0.1x+0.02=0 | | 72x^3-21x^2-18x= | | 18h^2+15h-18=0 | | 5x^2+10x-14=0 | | 7y-1=2(7+3)-2 | | 12x^2+x-1=1 | | 2a-3=4(a+1)+7a+4 | | 5x^3= | | z^3+10z^2-24z=0 | | ln(x+3)+ln(x-3)=0 | | 0=-x^2+2x+8 | | 3+8(r+5)=2r+1 | | 2a-3=2(a+1)+7a+4 | | x^3-3x^2-25x-21=0 | | y=7+2(-5) | | -4-4y=-20 | | 0.7x-7=0.3-5 | | .03y-(.01y+.02)=-.08-.06 | | 5x^2-18x+24=0 | | 7x*4x-61x+21=0 | | 3a-8=7(a+1)+13a+4 | | 15r^3-39r^2-18r= | | 4a-6=2(a+1)+9a+1 | | x+y+5=5 | | -6=4x+4 | | -5x+7=-5x+12 | | (4-9i)+(7-2i)=0 | | 3a^2-11ac+6c^2= | | 2x+3y=3c | | 8a^2-26ac-7c^2= |

Equations solver categories