Question

expllique -5x+45-89=-90+41

Answer 1

$-5x+45-89=-90+41\\-5x=-90+41-45+89\\-5x=-90+41-45+89\:\cdot \left(-1\right)\\5x=90-41+45-89\:\\5x=5\\x=5\div 5\\\boxed{\bold{x=5}}$