.70x+.3(45-x)=.45*80

Simple and best practice solution for .70x+.3(45-x)=.45*80 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 .70x+.3(45-x)=.45*80 equation: 


Simplifying
0.70x + 0.3(45 + -1x) = 0.45 * 80
0.70x + (45 * 0.3 + -1x * 0.3) = 0.45 * 80
0.70x + (13.5 + -0.3x) = 0.45 * 80

Reorder the terms:
13.5 + 0.70x + -0.3x = 0.45 * 80

Combine like terms: 0.70x + -0.3x = 0.4x
13.5 + 0.4x = 0.45 * 80

Multiply 0.45 * 80
13.5 + 0.4x = 36

Solving
13.5 + 0.4x = 36

Solving for variable 'x'.

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

Add '-13.5' to each side of the equation.
13.5 + -13.5 + 0.4x = 36 + -13.5

Combine like terms: 13.5 + -13.5 = 0.0
0.0 + 0.4x = 36 + -13.5
0.4x = 36 + -13.5

Combine like terms: 36 + -13.5 = 22.5
0.4x = 22.5

Divide each side by '0.4'.
x = 56.25

Simplifying
x = 56.25

See similar equations:

| -x^2+7x+18=0 | | w(w+11)=100 | | 10-4y=4 | | -5(x+3)(x+8)=0 | | x^2=x^2-9x+18 | | 3*5=x | | (3x-11)(6x+1)= | | x^2=11x-18 | | x+8=x+20 | | -4y^2+14y+8=0 | | x=x+12 | | 5x+99x=66 | | 92.35-6.384= | | 3(2x-3)=-(x+19) | | 0=10a+21b+10c-82 | | (m-2n-3)(5m+4n-8)m= | | 3X^2+6x=-2 | | 82=10a+21b+10c | | (m-2n-3)+(5m+4n-8)= | | x^3-13x^2+12x+180=0 | | 7n=2n+30 | | y^2+32=14y | | .5logx-2=0 | | 13x=x^4+48x^2+588 | | (324-3)(22+5)= | | -x^2=9x-20 | | 6x^3-14x^2+3x-7= | | 30x+59y=5000 | | x^2=18x-45 | | W+6.25=22 | | 9x^3y^2+15x^2y-6xy^2= | | x^3-14x^2+49x=0 |

Equations solver categories