7x+7(x-13)=-21

Simple and best practice solution for 7x+7(x-13)=-21 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 7x+7(x-13)=-21 equation:


Simplifying
7x + 7(x + -13) = -21

Reorder the terms:
7x + 7(-13 + x) = -21
7x + (-13 * 7 + x * 7) = -21
7x + (-91 + 7x) = -21

Reorder the terms:
-91 + 7x + 7x = -21

Combine like terms: 7x + 7x = 14x
-91 + 14x = -21

Solving
-91 + 14x = -21

Solving for variable 'x'.

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

Add '91' to each side of the equation.
-91 + 91 + 14x = -21 + 91

Combine like terms: -91 + 91 = 0
0 + 14x = -21 + 91
14x = -21 + 91

Combine like terms: -21 + 91 = 70
14x = 70

Divide each side by '14'.
x = 5

Simplifying
x = 5

See similar equations:

| 43=2x+6x+8 | | .75x+.50=1.5 | | -7(2x+4)+4x=62 | | -5x=8-y | | -2x+3=-5x+21 | | 4a=15-31 | | -6+7x+3x=-26 | | 4-6c=-18c | | 4(3x+-2)=88 | | 3x+1+4x=78 | | 10-5x+7x=0 | | -63+26y=-739 | | -15=.71(4z-1) | | 5(2x-1)=13 | | 4y-1y-4=20 | | 4x+9+5x=18 | | 3y+27=4y+5 | | 52(x-1)=13 | | -1+x-5x=-9 | | -19(-5)-34=56-(-5) | | -5(6x+2)=80 | | x-32=32 | | -19(-5)-34x=56-(-5) | | 4x+4-7x=-29 | | 2b+4=45 | | f(3)=x+3 | | 2(3x-2)=23 | | 10k-9=15 | | 3(2z-1)+1=-2(2z+9) | | 20-3h=4 | | 10k-9=10k-9 | | -15(x-2)=15 |

Equations solver categories