12-21x+42-5=70

Simple and best practice solution for 12-21x+42-5=70 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 12-21x+42-5=70 equation:


Simplifying
12 + -21x + 42 + -5 = 70

Reorder the terms:
12 + 42 + -5 + -21x = 70

Combine like terms: 12 + 42 = 54
54 + -5 + -21x = 70

Combine like terms: 54 + -5 = 49
49 + -21x = 70

Solving
49 + -21x = 70

Solving for variable 'x'.

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

Add '-49' to each side of the equation.
49 + -49 + -21x = 70 + -49

Combine like terms: 49 + -49 = 0
0 + -21x = 70 + -49
-21x = 70 + -49

Combine like terms: 70 + -49 = 21
-21x = 21

Divide each side by '-21'.
x = -1

Simplifying
x = -1

See similar equations:

| -(6x+9)+8=19 | | -y=x+0 | | y=5-2*7 | | .8t-6=2 | | n+7.6=17 | | 23x+6-26x=3-9 | | 3x+6+3+9= | | 2x-3x=17 | | 29y=14(2y+2) | | 888,8*10=8888 | | y=5-2*3 | | 888,8*10= | | -2x-3y+8=8-5y-12 | | 8888:10= | | 64=3t-11t | | 5r^2-35r=0 | | 8888:10*100:100= | | 6w-8w=-6 | | 25=9x-11 | | 7+3z-1=6z+11-2z | | y=5-2x*3 | | 8+x/10=5 | | 486*10:20= | | -77+7y=0 | | -y^2+6y+16= | | y/8+5=-17 | | 4y+-2(y+-5)=-2 | | (4x^3-3x+2x^3)+(2x-2x^2+6x)= | | 10+5(z-2)=-3Z+5 | | 24z+12-35z+21=60 | | -4w^2-4w+80= | | X+192=180 |

Equations solver categories