51+3x=7x+21

Simple and best practice solution for 51+3x=7x+21 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 51+3x=7x+21 equation:


Simplifying
51 + 3x = 7x + 21

Reorder the terms:
51 + 3x = 21 + 7x

Solving
51 + 3x = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
51 + 3x + -7x = 21 + 7x + -7x

Combine like terms: 3x + -7x = -4x
51 + -4x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
51 + -4x = 21 + 0
51 + -4x = 21

Add '-51' to each side of the equation.
51 + -51 + -4x = 21 + -51

Combine like terms: 51 + -51 = 0
0 + -4x = 21 + -51
-4x = 21 + -51

Combine like terms: 21 + -51 = -30
-4x = -30

Divide each side by '-4'.
x = 7.5

Simplifying
x = 7.5

See similar equations:

| (3x-4)(4x+5)=x(8x-1)+16 | | 3x-x=4 | | 3x^3+15x^2+3x+15= | | 4x+1=57 | | y+2(y+10)=12-5y | | 6x-5=107-8x | | v=2.3*800 | | 4x-2=42 | | 9x+5=3x+59 | | 3x-5=13x-45 | | 4p-7=13 | | 8x-5+2x=15 | | 6x+16=15x-56 | | d+49(d+6)=-1 | | 14x+1=20x-17 | | 3(7x-8)=2(11x-7) | | 57-7x=2x+24 | | 3x^4-75=0 | | 7x+2=2x+52 | | 118-3x=5x+6 | | 8a+34-2a+12-51=10a-42+a-7a+35 | | 9x^4+8x^2-1=0 | | 2=2x | | 10+3(5n-4)=-32 | | 29+12= | | -32=-7n-12+3h | | 9x-4=7x-22 | | 11-7x=131-28x | | 138-5x=5x-8 | | 2n+3=53 | | -35-5x=8-10x | | -145-9x=9x+17 |

Equations solver categories