21x-30=12*7*5

Simple and best practice solution for 21x-30=12*7*5 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 21x-30=12*7*5 equation:


Simplifying
21x + -30 = 12 * 7 * 5

Reorder the terms:
-30 + 21x = 12 * 7 * 5

Multiply 12 * 7
-30 + 21x = 84 * 5

Multiply 84 * 5
-30 + 21x = 420

Solving
-30 + 21x = 420

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 21x = 420 + 30

Combine like terms: -30 + 30 = 0
0 + 21x = 420 + 30
21x = 420 + 30

Combine like terms: 420 + 30 = 450
21x = 450

Divide each side by '21'.
x = 21.42857143

Simplifying
x = 21.42857143

See similar equations:

| 4/11x=12 | | x+(4X)+(5X)=30 | | x-3x=1x+5-x | | 7/6x=168 | | -6n+8=-5n-2 | | 4z^2-44=0 | | 4x+10+x=70 | | 3n+5=30 | | -24+5+54-2= | | 6w-(-3)=(-4)-w | | 4x+9x-(7x+5)= | | 32=5x+3x+8 | | 2xsquared=3x+9 | | (1/3x^4y^-3)^-2 | | -13n+12=-9n-8 | | 5y+5=9y-3 | | 10x+-5=21+-3x | | 19=x+3x+7 | | 2/2/9=-4/5m | | 10=2x+5Y | | 7x+1+6x=105 | | (8x^4y^-3)(1/2x^-5y^2) | | 7x+8=2x+2 | | 21x+6+90=0 | | 1+3x+6x=37 | | z^2+2z=0 | | -4x+5+9x-2= | | -10-3b=-4b-5 | | 12x+19=13x-15 | | -5n+27=-2n+6(3n+1) | | 1/3.5*x=23 | | 21x+6=0 |

Equations solver categories