12x+7=5x+21

Simple and best practice solution for 12x+7=5x+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 12x+7=5x+21 equation:


Simplifying
12x + 7 = 5x + 21

Reorder the terms:
7 + 12x = 5x + 21

Reorder the terms:
7 + 12x = 21 + 5x

Solving
7 + 12x = 21 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
7 + 12x + -5x = 21 + 5x + -5x

Combine like terms: 12x + -5x = 7x
7 + 7x = 21 + 5x + -5x

Combine like terms: 5x + -5x = 0
7 + 7x = 21 + 0
7 + 7x = 21

Add '-7' to each side of the equation.
7 + -7 + 7x = 21 + -7

Combine like terms: 7 + -7 = 0
0 + 7x = 21 + -7
7x = 21 + -7

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

Divide each side by '7'.
x = 2

Simplifying
x = 2

See similar equations:

| 15x+18=14x-13 | | 8-5x= | | 7t^2-15t+6=4 | | 6(-28k+24)+4(38k+34)=-11k+23k | | -30+3(x+2)=x | | 5(4n+2)=100 | | (3x+2)(x+3)= | | 2(9n+-1)+7(n+6)=-60 | | 7t^2-5t+6=4 | | (3x-y)(x^2+x)= | | x*(x+2)*3=144 | | 4.94*-6= | | 9x-(-37-11x)=-4(x+17)+29x | | y=-8x-19 | | -23=-2a-10 | | 4(x-3)7-10x=5 | | -23=-2a | | 4(x-3x)7-10x=5 | | 2n+12=92 | | 1.6*6x+4= | | 9x-(37-11x)=-4(x+17)+29x | | -2x^2=-32 | | 5(3-x)=55 | | 2x^2+8x-84=0 | | Y-(12)=4y | | x/7=-5 | | 4(x+1)=3(2x-5) | | 18+(-24)= | | -10+(-8)= | | -6=3(x-2) | | 10+7x-2x=55 | | x+7=46 |

Equations solver categories