3(x+7)=5x-9

Simple and best practice solution for 3(x+7)=5x-9 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 3(x+7)=5x-9 equation:


Simplifying
3(x + 7) = 5x + -9

Reorder the terms:
3(7 + x) = 5x + -9
(7 * 3 + x * 3) = 5x + -9
(21 + 3x) = 5x + -9

Reorder the terms:
21 + 3x = -9 + 5x

Solving
21 + 3x = -9 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
21 + 3x + -5x = -9 + 5x + -5x

Combine like terms: 3x + -5x = -2x
21 + -2x = -9 + 5x + -5x

Combine like terms: 5x + -5x = 0
21 + -2x = -9 + 0
21 + -2x = -9

Add '-21' to each side of the equation.
21 + -21 + -2x = -9 + -21

Combine like terms: 21 + -21 = 0
0 + -2x = -9 + -21
-2x = -9 + -21

Combine like terms: -9 + -21 = -30
-2x = -30

Divide each side by '-2'.
x = 15

Simplifying
x = 15

See similar equations:

| (-5/(2v-6))+4=6/(v-3) | | (2+3x)+62=90 | | (2+3x)+62=360 | | (2+3x)+62=180 | | 3(x+1)-2(x-1)=9 | | 5/3-1/6 | | x/7=47 | | x/-3=46 | | (x-24)+29+296=360 | | 4(2x-1)=2(3x-2) | | (3a/4)+5=(5a/6)+2 | | 3a/4+5=5a/6+2 | | (3x+18)93=180 | | (x+1)(x+11)=-14 | | 9+4lnx=14 | | w-4=3 | | (x^2-9)/(x+4)(x+3)=0 | | (2n+6)/3=((9n-4)/5)-n | | -2+15=17x-4-16x | | 5a=4a-7 | | 10=0.3521x^5-7.5096x^4+72.227x^3-329.33x^2+674.35x-412.13 | | X^3-x^2-2x+5=0 | | 7x+18=67 | | 0.1x^2-0.2x-0.1=0 | | (x+4)(x+4)=88 | | x-(2x+1)-8+3=3-(3x+3) | | 10x+16=86 | | 3x+16=37 | | (10n)7= | | 8-(2x+1)-8+3=3-(3x+3) | | 98-9x=4x+7 | | 3.1+(8.6+m)= |

Equations solver categories