(3r+4r)-2=12

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


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

Combine like terms: 3r + 4r = 7r
(7r) + -2 = 12
(7r) + -2 = 12

Reorder the terms:
-2 + (7r) = 12

Solving
-2 + (7r) = 12

Solving for variable 'r'.

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

Add '2' to each side of the equation.
-2 + 2 + (7r) = 12 + 2

Combine like terms: -2 + 2 = 0
0 + (7r) = 12 + 2
(7r) = 12 + 2

Combine like terms: 12 + 2 = 14
(7r) = 14

Divide each side by '7'.
r = 2

Simplifying
r = 2

See similar equations:

| 6x-28=122 | | 6ptimes(-2)=144 | | -3x-5-5=X+15 | | (11x-17)-(14x+18)=0 | | y+1=3[x-4] | | -12=3-3k-3k | | X^7/y-5=0 | | 2x-5(x-3)=-8+3x+11 | | 5x-13=7x+6 | | n-2/4=-5/6 | | 6x-b=17 | | 4x+5y=5(x-1.75) | | 60+4h=40 | | 2x(x-5)=6(x-5) | | -2(-6+r)+2=26-6r | | 1.667x+0.333x=13.333+2.333x | | 2x(-x-5)=6(x+1) | | 4x(x+9)=(3x+7)(x+9) | | 18n^2-186n+336=0 | | -4x+7(-2)=-2 | | 2ln(x)=12 | | 0=50-(1.3xD) | | -x^2+4*(-1)*12=0 | | 4(2x+4)=3(3x-9) | | 40oz=xkg | | tg(2x)*tgx=1 | | 240-(24/5x)=15 | | Y-3/x2 | | 30mi=xkm | | 6p+12=54 | | -7(1-3v)=-5v+19 | | (x-1)+5=100 |

Equations solver categories