7x+138=3x+90

Simple and best practice solution for 7x+138=3x+90 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 7x+138=3x+90 equation:


Simplifying
7x + 138 = 3x + 90

Reorder the terms:
138 + 7x = 3x + 90

Reorder the terms:
138 + 7x = 90 + 3x

Solving
138 + 7x = 90 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
138 + 7x + -3x = 90 + 3x + -3x

Combine like terms: 7x + -3x = 4x
138 + 4x = 90 + 3x + -3x

Combine like terms: 3x + -3x = 0
138 + 4x = 90 + 0
138 + 4x = 90

Add '-138' to each side of the equation.
138 + -138 + 4x = 90 + -138

Combine like terms: 138 + -138 = 0
0 + 4x = 90 + -138
4x = 90 + -138

Combine like terms: 90 + -138 = -48
4x = -48

Divide each side by '4'.
x = -12

Simplifying
x = -12

See similar equations:

| 160.00p+.25=342.50 | | -2n+3=4 | | 4x+6=2+3 | | 0=ln(x)+ln(2x+6) | | 6x-3y-3x+7y= | | y^2+6y-x+16=0 | | 19x-1=14x-6 | | 8x-10y=3 | | -13=s-3 | | 5x+57=8x-12 | | 5n+3-2n=-3 | | 21x+15=21x-9 | | 7+42x=28x+13 | | W-6pi=4pi | | -24=-6b | | 5y=11x+8 | | 2x+170=6x+250 | | -2l-2w=40 | | -16x+3x=-24+14x | | -5=-8+y _10 | | 2x+(3x-70)=180 | | log(x+7)+log(x-2)=1 | | 3y^2-x=0 | | 2h+3=hx | | (10x^2-5)(6x-3)=0 | | 45=x+x*y | | 4x-2x+10=-3+4x+19 | | 9x^5=x^7 | | 3(2x-1)=36 | | -6+18=-6 | | log(x+7)+log(x+2)=1 | | sinh^2x(coth^2x-1)=1 |

Equations solver categories