3(5r-1)-4(r-4)=-5(2r+10)

Simple and best practice solution for 3(5r-1)-4(r-4)=-5(2r+10) 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 3(5r-1)-4(r-4)=-5(2r+10) equation:


Simplifying
3(5r + -1) + -4(r + -4) = -5(2r + 10)

Reorder the terms:
3(-1 + 5r) + -4(r + -4) = -5(2r + 10)
(-1 * 3 + 5r * 3) + -4(r + -4) = -5(2r + 10)
(-3 + 15r) + -4(r + -4) = -5(2r + 10)

Reorder the terms:
-3 + 15r + -4(-4 + r) = -5(2r + 10)
-3 + 15r + (-4 * -4 + r * -4) = -5(2r + 10)
-3 + 15r + (16 + -4r) = -5(2r + 10)

Reorder the terms:
-3 + 16 + 15r + -4r = -5(2r + 10)

Combine like terms: -3 + 16 = 13
13 + 15r + -4r = -5(2r + 10)

Combine like terms: 15r + -4r = 11r
13 + 11r = -5(2r + 10)

Reorder the terms:
13 + 11r = -5(10 + 2r)
13 + 11r = (10 * -5 + 2r * -5)
13 + 11r = (-50 + -10r)

Solving
13 + 11r = -50 + -10r

Solving for variable 'r'.

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

Add '10r' to each side of the equation.
13 + 11r + 10r = -50 + -10r + 10r

Combine like terms: 11r + 10r = 21r
13 + 21r = -50 + -10r + 10r

Combine like terms: -10r + 10r = 0
13 + 21r = -50 + 0
13 + 21r = -50

Add '-13' to each side of the equation.
13 + -13 + 21r = -50 + -13

Combine like terms: 13 + -13 = 0
0 + 21r = -50 + -13
21r = -50 + -13

Combine like terms: -50 + -13 = -63
21r = -63

Divide each side by '21'.
r = -3

Simplifying
r = -3

See similar equations:

| -3=6(-1)+y | | 3.498/-0.53 | | k/3-19-26 | | -4x-12=11x+23 | | 7+2p-2=7p+9-4p | | 6=10x+2 | | 3/5g+5/2=-g/5-3/2 | | y=7-3*6 | | 3b-10=2b+5 | | 0.21y-0.5=0.11y+3-0.6y | | y=3x^2-6 | | 7/8j-(3/8j+7) | | a-12=19 | | 5x-6=23 | | x=3-7+40 | | 2x^2-3x=66 | | -4x+5y=27 | | 7-3*6= | | 17-(5m+6)=3+3m-16 | | 560w+40=-112 | | 24+m/4=10 | | 5/x=8/5 | | -5(y+2)=5y-8+2(3y+4) | | 3x=x^2-6 | | 48+4r=12r | | 3(5x+4)=5(2x-3)+22 | | 8x^3+72=0 | | x^2=457 | | 13x^2-12=-144 | | h(3x)=x^2-6 | | 8(3h+6)=9(2h-4) | | 7x-1=2z+5 |

Equations solver categories