7h-21=42

Simple and best practice solution for 7h-21=42 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 7h-21=42 equation: 


Simplifying
7h + -21 = 42

Reorder the terms:
-21 + 7h = 42

Solving
-21 + 7h = 42

Solving for variable 'h'.

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

Add '21' to each side of the equation.
-21 + 21 + 7h = 42 + 21

Combine like terms: -21 + 21 = 0
0 + 7h = 42 + 21
7h = 42 + 21

Combine like terms: 42 + 21 = 63
7h = 63

Divide each side by '7'.
h = 9

Simplifying
h = 9

See similar equations:

| 31.2+x=-125.8 | | t*6-3=10 | | 7x+x=2(7+1) | | x+54.2=77.1 | | 48-1.6(3n-4)+4n=4(16-n) | | 4x+4y=-36 | | 5(2x-3)=2(3x-2) | | 3y-34=66 | | 6s+2(2s+4)=2(s-2)-4 | | C(x)=x^2+6x-11 | | 2(2x+1)=5(x-4) | | log(5)(5x-9)=2 | | -51.6=-82.1+x | | 49=2x-11 | | 6x-12=10x+22 | | -x+78.4=87.6 | | f(x)=8x^2-2x-1 | | 2(x-3)=3(2x+3) | | 45-(-21)= | | x+(-54.2)=235.6 | | 8x-x^2=3x | | -77.2+x=-42.7 | | 25x+32=6-28x | | X+(x+7)+(x+7-8)=54 | | x+98.4=-132.1 | | 5p-8=3p+6 | | 61.4=x+(-72.3) | | 3p+q=29 | | 3y-8y-11=4 | | x+14.6=-53.4 | | 13(t-5)+5t=6(3t+4)-8 | | 74.7+x=-92.8 |

Equations solver categories