If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5x+15=-7(x+3)
We move all terms to the left:
5x+15-(-7(x+3))=0
We calculate terms in parentheses: -(-7(x+3)), so:We get rid of parentheses
-7(x+3)
We multiply parentheses
-7x-21
Back to the equation:
-(-7x-21)
5x+7x+21+15=0
We add all the numbers together, and all the variables
12x+36=0
We move all terms containing x to the left, all other terms to the right
12x=-36
x=-36/12
x=-3
| (2x+6)÷2=13 | | -9f=64f | | -7(y-6)=4y-13 | | 7x+11=360 | | 2+4(x-1)=22;x=5 | | 0.04+0.07(13,000-x)=780 | | 6(3n+2)=7(6n+1)+3 | | 7x-3x=7x | | (-3x^2-6x+105)/(4(x+5)(x-3)=0 | | 9y^2+12y+40=0 | | (3x-38)+(7x-96)=47 | | 2•3.14•2.5x+2•3.14•6.25=3.14•6.25x | | 4(2x+8)=-40 | | -30x-14+4-4x=-30 | | (4x+19)+(6x-9)=180 | | 1b+1b+45+90+2b+-90+3/2b=540 | | 3n+3=4n−8 | | 15x^2-43x+30=0 | | 7x3=4 | | 5y^2-5y-715/4=100 | | 1/3(t-9)=1 | | 16=5a+6 | | 21-52x-5+72x=32 | | 16x^2-72x=-56 | | 8=40-2f | | X+3x-18+x+12=180 | | 0.4x+9=4.8-x | | 1.2x+2x+2=4x+2 | | 6x+8-9x-2=-18 | | 2x-6=x14 | | 3g+6=6g | | u=-u-8 |