12+9=42x+28

Simple and best practice solution for 12+9=42x+28 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 12+9=42x+28 equation:


Simplifying
12 + 9 = 42x + 28

Combine like terms: 12 + 9 = 21
21 = 42x + 28

Reorder the terms:
21 = 28 + 42x

Solving
21 = 28 + 42x

Solving for variable 'x'.

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

Add '-42x' to each side of the equation.
21 + -42x = 28 + 42x + -42x

Combine like terms: 42x + -42x = 0
21 + -42x = 28 + 0
21 + -42x = 28

Add '-21' to each side of the equation.
21 + -21 + -42x = 28 + -21

Combine like terms: 21 + -21 = 0
0 + -42x = 28 + -21
-42x = 28 + -21

Combine like terms: 28 + -21 = 7
-42x = 7

Divide each side by '-42'.
x = -0.1666666667

Simplifying
x = -0.1666666667

See similar equations:

| 4x+39=13x-57 | | 10x-1-40x-80=-531 | | 0.2x=75 | | 5(5a-7)=140 | | 6+5a-6a2/3-2a | | 2x^2-1x+5=0 | | 25x^2-16y^2=400 | | 0,2-0,01x=0,4x-0,08+0,11x | | (12+9)/(6x+4)+5=12 | | -a+3=5s+21 | | 54x+8=2 | | X^2+14x+c=0 | | -4(3-6x)=108 | | 30p-75-10p+25=60p-80 | | x^2=-15-8x | | P=r+w/t | | 9x^2=-5x-8 | | m^2-21m+110=0 | | x^2+2x-46=2 | | x^6k/3 | | -5-2(x+2)=-81 | | -5-2(x+2)=-91 | | 5-2(x+4)=2x+5 | | 5/11=3b/11+8b/22 | | (4x+40)+(8x+20)=180 | | 4(2x+7)=8(-12+9x) | | 36y^2-9x^2=324 | | 7(-2b+6)=98 | | A-(-20)=-13 | | 13-9x=89-37x | | A-(-20)=-15 | | 8x+12=5x-9 |

Equations solver categories