3x+42-5x=3-7x+4

Simple and best practice solution for 3x+42-5x=3-7x+4 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 3x+42-5x=3-7x+4 equation:


Simplifying
3x + 42 + -5x = 3 + -7x + 4

Reorder the terms:
42 + 3x + -5x = 3 + -7x + 4

Combine like terms: 3x + -5x = -2x
42 + -2x = 3 + -7x + 4

Reorder the terms:
42 + -2x = 3 + 4 + -7x

Combine like terms: 3 + 4 = 7
42 + -2x = 7 + -7x

Solving
42 + -2x = 7 + -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.
42 + -2x + 7x = 7 + -7x + 7x

Combine like terms: -2x + 7x = 5x
42 + 5x = 7 + -7x + 7x

Combine like terms: -7x + 7x = 0
42 + 5x = 7 + 0
42 + 5x = 7

Add '-42' to each side of the equation.
42 + -42 + 5x = 7 + -42

Combine like terms: 42 + -42 = 0
0 + 5x = 7 + -42
5x = 7 + -42

Combine like terms: 7 + -42 = -35
5x = -35

Divide each side by '5'.
x = -7

Simplifying
x = -7

See similar equations:

| 5x-10=-10-6x | | 9x+10y=200 | | 5x(x-8)= | | 1/2(1+4)=1/3(y+1) | | -35+8m=-5-5(7m+6) | | W^2+6w-135=0 | | -4y=2(3)+5 | | -4y=2(2)+5 | | 0=x-15 | | 8v^2-14v-15=0 | | -4y=2(1)+5 | | 5.25n=-78.75 | | 3v^2+16v-12=0 | | 20x+5y=45 | | 2(4+2)-3*2= | | x=1/2(3-5) | | -9=x-20 | | x=1/2(2-5) | | 5v^2+18v-8=0 | | 8=1/2(1-5) | | -15=x-7 | | 8=1/2(y-5) | | d-4=23 | | y=1/4(8-3) | | 6.8(x-2.25)=-20.4 | | y=1/4(8-2) | | y=1/4(8-1) | | 6X^2-15x+0=0 | | 4(n+2)=9 | | 4(a+2)=9 | | 13+x=22 | | 21=6+x |

Equations solver categories