20=0.1(x+40)+0.7x

Simple and best practice solution for 20=0.1(x+40)+0.7x 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 20=0.1(x+40)+0.7x equation: 


Simplifying
20 = 0.1(x + 40) + 0.7x

Reorder the terms:
20 = 0.1(40 + x) + 0.7x
20 = (40 * 0.1 + x * 0.1) + 0.7x
20 = (4 + 0.1x) + 0.7x

Combine like terms: 0.1x + 0.7x = 0.8x
20 = 4 + 0.8x

Solving
20 = 4 + 0.8x

Solving for variable 'x'.

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

Add '-0.8x' to each side of the equation.
20 + -0.8x = 4 + 0.8x + -0.8x

Combine like terms: 0.8x + -0.8x = 0.0
20 + -0.8x = 4 + 0.0
20 + -0.8x = 4

Add '-20' to each side of the equation.
20 + -20 + -0.8x = 4 + -20

Combine like terms: 20 + -20 = 0
0 + -0.8x = 4 + -20
-0.8x = 4 + -20

Combine like terms: 4 + -20 = -16
-0.8x = -16

Divide each side by '-0.8'.
x = 20

Simplifying
x = 20

See similar equations:

| 18=-1/2t | | 9x-18=x+10 | | Y=531(0.98)30 | | 7/10=5/s | | -8x+41=1 | | 1/y=0.02 | | 5*x^2-x+9=0 | | 70=0.5(x+90)+0.5x | | 1/12n=12 | | x^3+6x=72 | | 6x-14x=-5-19 | | 0.05(10000)+0.06x=0.055(10000)+x | | 5*x^2-x=0 | | 0.05(10000)+0.06x=0.05(10000)+x | | 0.15(s-7)=5.55 | | 7(2+v)+39v=15v | | y=3x^2+x-10 | | 8z-2=5 | | 5x^2+3=11 | | 6+12x=16+x | | P(x)=16x^2+32 | | 10.3-8.9= | | x^2-x-13=2 | | 5+2(x+1)=13 | | 4+35x=15x+40 | | x+5(3x-20)=10(x-9) | | 3=.15(x) | | 5z+9y=45 | | x+12=73 | | -9x+0.4=4 | | 4+12x=22+6x | | 10x-3x+102=10x+39 |

Equations solver categories