3a-5=7a+15

Simple and best practice solution for 3a-5=7a+15 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 3a-5=7a+15 equation:


Simplifying
3a + -5 = 7a + 15

Reorder the terms:
-5 + 3a = 7a + 15

Reorder the terms:
-5 + 3a = 15 + 7a

Solving
-5 + 3a = 15 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
-5 + 3a + -7a = 15 + 7a + -7a

Combine like terms: 3a + -7a = -4a
-5 + -4a = 15 + 7a + -7a

Combine like terms: 7a + -7a = 0
-5 + -4a = 15 + 0
-5 + -4a = 15

Add '5' to each side of the equation.
-5 + 5 + -4a = 15 + 5

Combine like terms: -5 + 5 = 0
0 + -4a = 15 + 5
-4a = 15 + 5

Combine like terms: 15 + 5 = 20
-4a = 20

Divide each side by '-4'.
a = -5

Simplifying
a = -5

See similar equations:

| 3x+5+2x=5(2-x) | | 2y=3+4x | | 6.5x=3x+7 | | 2x-9=41-8x | | 7(d+2)-(2d+1)=21 | | 7(d+2)-(2d+1)=21 | | 8x-12=6x+14 | | x=1+0.5x | | -3y=4x+6 | | 5x-2(x-1)=2x+5 | | m-27=-14 | | 14n-12-13n-9=13 | | 176-6x=21x+20 | | 5m+19=6m+7 | | 1.5p-4(p-2)=3 | | (2x^2+3)(4x^3-3)=0 | | 5y-4+y+44=8y+40-4y | | 10x+5=3x+68 | | 24.9*30=1*x | | k-38.4=7.4k | | 8(x+4)-x=7x | | 4x+5=7-2x | | 12+15=11y+8-10y | | 3s+2=26 | | 3x+5=3x+68 | | 9x+3(4x)=63 | | 24.9/1=x/30 | | y=15+x | | 3y=3x-30 | | 2(7+-1y)=14 | | 2-4x=3x-33 | | 3(-1)-2+(1)=5 |

Equations solver categories