15x
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There is NO solution, because there is NO equals sign. However, 5x + 3x add to 8x (simplified) Remember in Algebra 5x means '5' multiplied to 'x' and '3' multiplied to 'x'. The multiplication sign is never shown in algebra.
its 5! 5x5=25 25x5=125 5x(5x5)=125
5x + 3 = -12 5x =-12-3 =-15 x = -3
5x+3=8 is a simple equation, and I can tell you off the top of my head the answer is 1. Here's how to work it: 5x+3=8 5x+3(-3)=8(-3) 5x=5 5x(/5)=5(/5) x=1
5x + 3 = 18 Subtract 3 from both sides: 5x = 15 Divide by 5: x = 3.