7a+20b=28-b

Simple and best practice solution for 7a+20b=28-b 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 7a+20b=28-b equation: 


Simplifying
7a + 20b = 28 + -1b

Solving
7a + 20b = 28 + -1b

Solving for variable 'a'.

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

Add '-20b' to each side of the equation.
7a + 20b + -20b = 28 + -1b + -20b

Combine like terms: 20b + -20b = 0
7a + 0 = 28 + -1b + -20b
7a = 28 + -1b + -20b

Combine like terms: -1b + -20b = -21b
7a = 28 + -21b

Divide each side by '7'.
a = 4 + -3b

Simplifying
a = 4 + -3b

See similar equations:

| 7r+1=7s | | 5x+2x=2 | | 5b-30=10b+6 | | .40p=200-68 | | (6+(-14))x=-8x | | x^2+8x+15=3 | | 0*z=0 | | v-16=u | | -4x+5+9x-2=5x+3 | | 20*x-10=190 | | -8.3=-0.8k-3.1 | | 5x+(x+6)=2x-(-26) | | 4-2(x-3)+5x=2x-4 | | 10d+1=7d+13 | | -29+2x=(5x-6) | | .65x=200-23 | | 6(x-6)+18=2(x-5) | | x(3x-790)=-18900 | | 32+6x=-4(5x-8)+6x | | (3x+5y)(6x-y)=0 | | 32+6x=-4(5x-8)+6 | | =-0.03(2-x) | | 6t+18=-12 | | 5(x-9)=-19 | | x(-5-x)=-2 | | 6t+18=12 | | -2(y+4)+5y= | | 7(a+5)=89.6 | | 8x-13=4x+10 | | 6c+9c= | | 74x-(x^2)-1840=0 | | -2y(y+4)+5y= |

Equations solver categories