4(2r+3)-3(r+5)=12

Simple and best practice solution for 4(2r+3)-3(r+5)=12 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 4(2r+3)-3(r+5)=12 equation:


Simplifying
4(2r + 3) + -3(r + 5) = 12

Reorder the terms:
4(3 + 2r) + -3(r + 5) = 12
(3 * 4 + 2r * 4) + -3(r + 5) = 12
(12 + 8r) + -3(r + 5) = 12

Reorder the terms:
12 + 8r + -3(5 + r) = 12
12 + 8r + (5 * -3 + r * -3) = 12
12 + 8r + (-15 + -3r) = 12

Reorder the terms:
12 + -15 + 8r + -3r = 12

Combine like terms: 12 + -15 = -3
-3 + 8r + -3r = 12

Combine like terms: 8r + -3r = 5r
-3 + 5r = 12

Solving
-3 + 5r = 12

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + 5r = 12 + 3

Combine like terms: -3 + 3 = 0
0 + 5r = 12 + 3
5r = 12 + 3

Combine like terms: 12 + 3 = 15
5r = 15

Divide each side by '5'.
r = 3

Simplifying
r = 3

See similar equations:

| (4p-9q+8r)-5(-4p+2q-3r)= | | 2(12)+3(2)=30 | | 19m+m= | | 11q-9q=2 | | 1/6=n/80 | | 5x+4y=88 | | 5(y-1)=2y+13 | | Y+5x=6x-4 | | 3.14*16*10= | | -2/3x-1/4y=1/3 | | 6x^3+x^2-6x-1=0 | | -3(x+7)+69=3x-6x(x-1) | | (3x^(1/4))^3/x^(1/12) | | (6+4x+2x^2+9x^3)+(9-4x+2x^2-9x^3)= | | 5j+2j=14 | | 400=k/8 | | 0-1/4y=1/3 | | 5x+10=5y | | 3+5y=-17 | | 3c-2c=10 | | 4/5y-1/53 | | 3n-18=10-4n | | 2(2x-4)=4x-8 | | x=3y^2-9.5 | | 9t-5t=24 | | Y-2/7=3(1/4 | | 5p+8=2p-10 | | 7.25y=-123.25 | | 4x+5+3x=19 | | 360/5 | | 4(x+2)-3=7(x-1) | | 20(5y)+30y=650 |

Equations solver categories