-5(x-13)-7(x+20)=91

Simple and best practice solution for -5(x-13)-7(x+20)=91 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 -5(x-13)-7(x+20)=91 equation:


Simplifying
-5(x + -13) + -7(x + 20) = 91

Reorder the terms:
-5(-13 + x) + -7(x + 20) = 91
(-13 * -5 + x * -5) + -7(x + 20) = 91
(65 + -5x) + -7(x + 20) = 91

Reorder the terms:
65 + -5x + -7(20 + x) = 91
65 + -5x + (20 * -7 + x * -7) = 91
65 + -5x + (-140 + -7x) = 91

Reorder the terms:
65 + -140 + -5x + -7x = 91

Combine like terms: 65 + -140 = -75
-75 + -5x + -7x = 91

Combine like terms: -5x + -7x = -12x
-75 + -12x = 91

Solving
-75 + -12x = 91

Solving for variable 'x'.

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

Add '75' to each side of the equation.
-75 + 75 + -12x = 91 + 75

Combine like terms: -75 + 75 = 0
0 + -12x = 91 + 75
-12x = 91 + 75

Combine like terms: 91 + 75 = 166
-12x = 166

Divide each side by '-12'.
x = -13.83333333

Simplifying
x = -13.83333333

See similar equations:

| 2x-3x+3= | | x=199(2) | | 6x/6y | | -18x^2-60x=50 | | 8x^2=448-8x | | 14w=87 | | -6y^2+32y-10=0 | | 2x-3(x-1)= | | -9x=3x+12 | | [(-5)(-3/10)]-[(-4)(0.18)] | | 2n^2+24n+72=8 | | 3/5m=60 | | 3/4-7/12 | | v^2+3v-46=-6 | | 18(x-1)=7(x+2)+6 | | 2*(2x-5)+6x+8=-10x+58 | | 15/n=3 | | 7(x-4)-5=9 | | 8y^3-125y^3=0 | | 32+13a=7a+8 | | 4(2-3v)-7v=v-2 | | 14m^2+31m-10=0 | | 4x-x+1+9=12 | | 1y=-3x-5 | | 8x+5=4x+22 | | 35x+85=225 | | 7-4x+6x=-5 | | 32+32a=7a+8 | | 20x^4-12xy-60y^2= | | 56x^8=0 | | 8+g=18 | | 27m^3+64=0 |

Equations solver categories